Food in general, any kind of grub. In Venezuela, Colombia, and Puerto Rico, jama is the most direct way of saying you need to eat something right now.

Orange, the citrus fruit, in Puerto Rico. If you ask for a "naranja" on the island nobody will understand you because Puerto Ricans say "china" instead. It is one of the most confusing words in Spanish, since everywhere else "china" refers to the country.

Penis in Puerto Rico — one of the strongest vulgarities in the Boricua vocabulary. Saying it in the wrong context can get you in serious trouble, so tread carefully on the island.

To hang out with friends, to chill, to wander around with no set plan. Comes from the English 'hang out' and is THE social verb in Puerto Rico and the Dominican Republic.