When A Man Is Half-Erect.
Look At Tommy, He Is Half-Staff. Will It Do The Trick For His Girlfriend?
av Kevin 26 januari 2004
2 more definitions
To have a half boner or chubby
When you think a hawt girl is looking at you u might be Half Staff
av J Stroke 11 oktober 2009
A pejorative term for a bisexual
"Uh oh, Tony's acting the half-staff again. Crypto-dyke."
av Wangbacca 5 februari 2009