'Jaleti' is a Spanish slang term commonly used in Mexico to refer to someone who is considered as a poser, pretentious or trying to be something they are not. It can also refer to someone who is showing off.
Examples
- Spanish: No soporto a ese jaleti que siempre está presumiendo de lo que no tiene.
- English: I can't stand that poser who is always showing off what he doesn't have.