look up any word, like donkey punch:
 
1.
A massive annual event which has taken place all over the globe, Chicago IL, Bloomington IN, Bahamas, Antarctica and Mt Rushmore, all in celebration of August 20th. The celebration of the birth of the shafattack.
Are you going to shafpalooza on Saturday at State? Yeah broski it's gonna be sick.

What are you wearing to shafpalooza on Saturday? I was thinking skinnies and my sexy top.

Wanna pregame shafpalooza?

Do you think Matt will be at shafpalooza?
by AnnabelleBroski August 18, 2011