When you're not acting the way you need to be acting in a certain situation, by either doing something dumb or not doing something you're supposed to be doing.
"Aw what? He forgot to put gas in his car when he knew we were tryina go to the club? Man he be cattin off."
other word for trippin, messed up.
dat nigga was cattin off, thought he could beat me in some nba live 10.