The underside of a penis, specifically the ridge that runs from the base to the head.
"If you don't stop, I'm going to kick you in the weft."
by Mike the hedgehog February 11, 2014
Being intoxicated by alcohol or being "high".
"Dude Sabby! Yous weft!" or... "You guys want to get weft?" or... "I only turned left because i'm weft!"
by takearide July 10, 2007