Trippin off the perc 30
It is when someone is wrong in a way that it makes them sound stupid, as if they are on drugs.
Person 1: Yo man, how do you think that they put ice in bottles but the hole is so small.
Person 2: You are trippin off the perc 30 if you think how that is how it works.
Person 2: You are trippin off the perc 30 if you think how that is how it works.