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1.
the insulting of something or someone of complete idiocracy, absurdity, or just plain stupidity.

weaksauce
whack
1. "He rollin` with a ladee with a toe-up face!"
"WHACKSAUCE!"

2. "i don`t think i can come through today"
"WHACKSAUCE!"

3. "eww.. WHACKSAUCE!"
by ladeesmiles January 24, 2005
 
2.
Something really dumb, terrible, weird, just all out INSANITY!
We have to get this shit done by tomorrow? That's Whack Sauce!
by Elizabeth Smart October 27, 2003