Definitions by Rooster Cogburn Jr.

McGonigal Line 

a line of cocaine, usualy containing anywhere between .5 and a full gram of bomb coke.

also, one might not be able to survive if not mentally and physically prepared for this awesome challenge.

jesus man are you done that G already? what did you do a McGonigal line?

McGonigal Line by Rooster Cogburn Jr. July 12, 2006