LanguidLover's definitions
The process of exciting male genitalia until it is partially erect in order to help the refractory period after getting the first "easy" orgasm out of the way.
Joe half-jacked so that later when he has sex with Jennifer Whoreton he would be able to reduce the time between sexual excursions.
by LanguidLover July 19, 2011
Get the Half-jackmug.