1.) verb. When in the throes of passion, the man suddenly takes all of his junk (including his flaccid penis) and shoves them into the wide-open and welcoming mouth of the woman.
2.) noun. A woman whose mouth is large enough to accept all of your junk.
(verb) I think I'm going to lunchbox the shit out of Sally tonight.
(noun) Sally looks like a real lunchbox!
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