(noun) a socially unacceptable action made in any setting; similar to a party foul except much more innaprope; this term must always be said in a loud voice or typed in all caps to insinuate a loud voice.
black girl: aww i love you nigga! haha
white girl: haha call me nigger again! like seriously!
black girl: wow girl *shakes head* LIFE FOUL!