| trasero |
| 1. adj. back, back-side, rear-side, posterior | |
| al asiento trasero - in the back seat | |
| 2. n-m. (euphemism, anatomy) behind, butt, rear-end, posterior | |
| No patino bien, siempre me caigo de trasero. - I can't skate well; I always fall on my backside. | |
| culo |
| 1. n-m. (vulgar in Latin America, slang) ass, arse, booty, rear, behind, butt, buttocks | |
| Me caí, dándome un gran golpe en el culo. - I fell down, hitting my arse hard. | |
| 2. n-m. (vulgar, slang) anus | |
| No me quiero meter ningún supositorio por el culo. - I don't want to put in any suppository in my ass. | |
| 3. n-m. (vulgar) meaty area around the anus (in various animal species) | |
| 4. n-m. (vulgar usually in the singular) bottom or end part of certain objects (e.g. glasses, bottles, cucumbers) | |
| el culo de la botella - the bottom of the bottle | |
| 5. n-m. (vulgar usually in the singular) liquid remains at the bottom of a container | |
| Bébete el culo del jugo para ya reciclar la botella. - Drink what's left of the juice, to recycle the bottle now. | |
