When A Man Is Half-Erect.
Look At Tommy, He Is Half-Staff. Will It Do The Trick For His Girlfriend?
di Kevin 26 gennaio 2004
To have a half boner or chubby
When you think a hawt girl is looking at you u might be Half Staff
di J Stroke 11 ottobre 2009
A pejorative term for a bisexual
"Uh oh, Tony's acting the half-staff again. Crypto-dyke."
di Wangbacca 05 febbraio 2009