1. An exclamatory phrase used to convey happiness when things that rock happen.

2. The opposite of weaksauce.

3. Concentrated rock awesomeness, refined futher through the wonders of science, to produce a substance so mindblowingly awesome that merely invoking it by name increases the amount of rock n roll in the universe.
Wow, I just found an original press of {awesome band}'s limited 9" for a fucking dollar! Rocksauce!

Guy A: See that girl over there?
Guy B: The one that looks like Natalie Portman reading the Bertrand Russell book?
Guy A: Yeah, her. I shit you not man, she told me to tell you she wants your number...
Guy B: ROCKSAUCE!

by D. Ronin March 30, 2006
Get the rocksauce mug.
1. An exclamatory phrase used to convey happiness when things that rock happen.

2. The opposite of weaksauce.

3. Concentrated rock awesomeness, refined futher through the wonders of science, to produce a substance so mindblowingly awesome that merely invoking it by name increases the amount of rock n roll in the universe.
Wow, I just found an original press of {awesome band}'s limited 9" for a fucking dollar! Rocksauce!

Guy A: See that girl over there?
Guy B: You mean the girl that looks like Sarah Silverman reading the Bertrand Russell book?
Guy A: Yeah, her. I shit you not man, she told me to tell you she wants your number...
Guy B: OMFG ROCKSAUCE!
by D. Ronin April 9, 2006
Get the rocksauce mug.