look up any word, like thot:
 
1.
1.masturbation
2.jacking off
my brother was whacking it yesterday
by kitty+sis February 24, 2004
33 8
 
2.
to masturbate aggressively without stopping until you are finished.
where is tom?
i think he's whacking it in the bathroom.
by Fergieferg July 12, 2009
12 1