to laugh uncontrollably for no apparent reason, sometimes even forgetting what it was you were laughing at. Usually associated with smoking marajauna.
Wow! You are REALLY gimpin' out!
Watching that movie made me gimp out.
1. n. a fuck up that implies incompetence or stupidity
2. v. to fuck up in such a way that one's competence or intelligence is called into question
1. That was a major gimp out.
2. You really gimped out.