making someones head big

To think too much about yourself; when someone thinks there better than they actually are.

getting high on weed, getting stoned

Completely and utterly intoxicated to the point where most of the night's events will not be remembered the following day.

In prison, some inmates will stir feces and urine in a container, and when they are told to exit the cell, or given their daily meals, they will throw the mixture at the correctional officers. It comes from the MSNBC show, "Lock Up: Raw."

if your really excited

Full of one's self, especially when they think that someone is hitting on them.