I'd probably recommend wrapping it up especially if you don't have a lot of experience in the place your going be it DR, colombia, cuba because you'll likely be running through gringo followers/hookers 90% of the time the time. As time wears on and you learn more that number will substantially decrease and you can make better decisions. Trust me it isn't fun when your barebacking a girl regularily only to find out she was a hooker previously. The stress isn't worth it.
@ Vacancier nalgas is techniquely buttocks. But is the popular term used by foreigners to refer to ass. Personally I use culo as opposed to nalgas but again, speech differs by area that could be completely inappropriate in DR, I really don't know. Nalgas would certainly be the more appropriate term if you don't want to be rude. For example if you talk to a doctor you'd use nalgas and certainly not culo, culito etc.
tetas = tits
I'm sure there are dominican specific slang for all these words.
Alot of words seem to be made up in local media/ music that would only apply locally in these places.
If I say, Yo soy un descarao. Probably all the spanish speakers would say huh? what is he saying. In Cuba it's similar to mujeriego = womanizer.
Best bet is to look for a specific slang book for the country in which you are visiting.
@ Lothario - I don't really know anything about bembow music. I haven't heard of that. In Cuba the main areas of music are Cubaton (Reggaeton), salsa, bachata, pop, rap, trova. I really am not sure where bembow falls.
This is typically what I listen to in Cuba...in terms of reggaeton..
Gente de Zona - Yo te ensene
http://youtu.be/_4PCjowG0cA
Chacal Y Yakarta - raka raka
http://youtu.be/-Fbq-kcE88M
Los Desiguales , Gente de Zona - la pepilla
http://youtu.be/wu0JmeP5n7c
El Yonki - (This was the #1 hit in summer 2012 there. Personally I prefer the above reggaetoneros a lot more as do the vast majority of cubans but this song was huge. Pretty hilarious that a video that appears to be amateur filmed turns into the top hit in a country)
http://youtu.be/NWpVYWTEGGM
Osmani Garcia -
http://youtu.be/8jl3G8H_1O4
In terms of salsa when it comes to salsa Charanga Habanera dominates the youth scene. (There are many others but they tend to attract an older crowd)
Charanga Habanera -La Suerte
http://youtu.be/9SKmkwcbQsQ
As to merengue I don't know much about the Cuban scene this is the only song I can think of and it's with a Dominican??? El cata with Alexander of Gente de Zona. (car fanatics will appreciate the car in this video)
http://youtu.be/SPlbRh8dMJ0
Bachata - I'm not a big fan of but Yulien Oviedo or Angeles de Bachata is probably the most popular in that music scene in Cuba.
All of these countries will have different popular musicians. For example J Balvin is very popular in Colombia. My friends had never heard of him despite having 17+ million hits on youtube. Super popular artists carryover though. For example Gangnam Style was huge in Cuba and surely DR, Colombia etc.
I think being able to dance may be slightly overrated atleast in Cuba. Probably 90% of songs are reggaeton with a couple salsa, merengue and bachata songs sprinkled in throughout the night. Learning merengue steps shouldn't take more than 10 minutes. Learn some merengue and then if you care to learn a bit of salsa / bachata but I think dancing is somewhat overrated. My bias could be in part due to the fact that I tend to attend every night either a concert or a cabaret show which transitions into a disco.
Really the best money / time spent if you want to improve your game / lifestyle in cuba, dr is to learn spanish. You can dance up the sweetest merengue, bachata, salsa anyones ever seen. But if you can't communicate your close rate will be far lower than the guy who can but can't dance particularily well.
I still haven't figured out how to embed, I tried to do it here but failed.
I will look into dembow music.