When a dumbass does things that only a dumbass would do.
What the hell is Piggy doing? GOD!!! He's being so dumbassy!
by Hearns101 June 16, 2008
1 more definition
When someone is acting in a way only a dumbass would act.
Markios spots Piggy licking his privates and Markios says "PIGGY!!! STOP BEING SO DUMBASSY!!!"
by Hearns;) June 17, 2008