| This is a sort of metanode for Spanish Slang, which includes both common sayings and, of course, curse words. Represented entities include Argentina, Cuba, Mexico, Nicaragua, South America, Spain, Venezuela, etc. The bolded ones have been noded, the others are on the way.
- a caballo regalado no se le mira el dentado (Spain)
- a tomar por culo (Spain)
- asere (Cuba)
- bollera (Spain)
- bollo (Cuba)
- borrón y cuenta nueva (Cuba)
- cabrón (everywhere)
- cachimbar (Nicaragua)
- camarón que se duerme se lo lleva la corriente (Cuba)
- capullo (Spain)
- carajo (everywhere)
- chama (Cuba, Venezuela)
- chamaco (Cuba, Mexico)
- ché (Argentina)
- chévere (Venezuela)
- chicha (South America)
- chingar (Mexico)
- chingón (Mexico)
- chulo (Cuba, Spain)
- coger (South America)
- cojones (everwhere)
- comemierda (Cuba, others)
- ¿Con que se sienta la cucaracha? (Cuba)
- coño (Cuba)
- culo (everywhere)
- descachimbar (Cuba, Nicaragua)
- descojonar (Cuba)
- fiñe (Cuba)
- follar (Spain)
- fula (Cuba)
- gao (Cuba)
- güey (Mexico)
- hijo de la gran puta (Cuba)
- hijo de puta (everywhere)
- hijo de playa (?)
- hijo de tu pinche madre (Mexico)
- huevón (Cuba, others)
- jeringar (Cuba)
- jeva (Cuba)
- joder (everywhere)
- le ronca el mango (Cuba)
- malcriado (Cuba)
- maricón (everywhere)
- mico (Nicaragua)
- mojón (everywhere)
- musaraña (Cuba)
- ño (Cuba)
- papaya (Cuba)
- pendejo (Cuba)
- perra (Spain)
- pincha (Cuba)
- pinche (Mexico)
- pinchemadre (Mexico)
- pinga (Cuba)
- polla (Spain)
- ponerse las botas (Cuba)
- puta (everywhere)
- puro (Cuba)
- que te den por culo (Spain)
- ¿Que volá? (Cuba)
- ramera (Spain)
- singar (Cuba)
- teta (Cuba)
- tocar los cojones (Spain)
- todos los hierros (Cuba)
- tortillera (Cuba)
- tu madre (everywhere)
- turca (Nicaragua)
- verga (Nicaragua)
- Yuma (Cuba)
- zorra (Spain)
I am by no means an authority in this topic, but I ask that please no other writeups be put under this node to maintain integrity. /msg me with additions, comments, and if you can confirm if specific sayings are used in your country. Many thanks to koala for his contributions. | 
