1. adj. Used to describe someone with a sweet attitude on the surface and a sinister apptitude for bastos(ness). This means being a sweet heart while having an affinity and love for naughtythings, such as bomba or things of that nature. A girl with a quality like this is rare, and should be cherished as such. Derived from the words bastos and sweet, though through some spelling anomally sweet got a ch thrown in.
Guy 1:Dude, do you know that girl Kris?
Guy 2: Word is that she's pretty baschweet.
Guy 1: Yeah dude, we watched the sun set together and after word she wanted to watch some bomba with me.