1 definition by Mananayaw

A person or someone who is choosing to stay sober around non-sober people and shares the highlights of the night with those of a short memory.
"You want to take a shot?"

"Naw, I'm going to be a witness tonight."

-or-

"Trying to hit this blunt?"

"I think I'll be a witness today."
by Mananayaw September 11, 2009
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