A blow job; to give oral sex to a man. This term was a popular 1980's slang. It is seing a resurgance along with other 80's terms such as dork and joystick.
I caught a headwash from this girl I met at the bar the other night.
by toast455 June 22, 2005
A blow job that salivates and refreshes the head of the penis.
"She gave me a head wash in the Carl's Jr. drive thru lane".
by DayVee April 06, 2003