verb. to make someone dissapear usually by killing them.
keep pressing me and im gonna milkbox that ass.
by $PAZZ April 01, 2003
Verb: when a girl is giving you a blowjob and she opens up your pee hole in the way you open up those boxed milks from elementary school and she then spits inside
Last night this girl milkboxed me now my dick burns. I think I might have a UTI.
by Cape Cod Rod March 09, 2014