The diameter of one's penis, and a measure of meaty manliness. First coined in a comic by Penny Arcade. See Fat Pipes.
My manwidth drives the ladies wild.
by Jack August 05, 2006
1 more definition
having the ability to handle or deal with an intensely sexy situation
"dude, you don't have enough manwidth to handle those girls"
by Fru May 02, 2006