1 definition by NorCal dude

Top Definition
Term used throughout the east-bay (Oakland, Berkeley, Walnut Creek)to say something is lackluster, sub-par or not worth the effort.
The concert we went to last night was hella weak sauce.

Even thought my little bro spends hours practicing water-polo, he's still weak-sauce.
by NorCal dude July 31, 2009
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