1 definition by Mr. Billy Shears

1) A make shift lean-to made in ones bed room out of blankets, chairs, pillows, and the bed itself, where one masturbates in privacy.

2) A covered shower in a locker room where one wanks.

whack procedure:
Get in
Get off
Get out
1) Everyone knows what my roommate is doing when he is skyping his girlfriend and brings his laptop into his whack shack.

2) The quarter back swears hes straight, but hes not fooling anyone when he suggests drilling a glory hole into our locker room whack shack.
by Mr. Billy Shears February 18, 2009
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