Spanish for 'I don't like this". Often heard from Spanish-speaking people during either approaching giant walls of water, fireballs, barrage of bullets, or INS agents. Also heard in 'Team America: World Police', and from white kids trying to sound cool.
John: Holy shit, the damn burst!
Emile: No me gusta!
Alex: Hey, did you find it funny when me and Jack replaced all your shampoo with bug feces, and then you put it in your hair?
Frank: No me gusta. (*clocks Alex in the face*)