1.)-prep. phrase- a polite, and usually deceptive, manner a man has to say that he is busy masturbating to orgasm.

Usually used in the presence of young children and/or parents/grand parents where one doesn't want to use the more obscene terminology, or otherwise wants to fly below the radar.
1. I'll talk to you after I finish Unloading the groceries. 2. I'm going to go unload the groceries.
by Buttfuckme July 23, 2017
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To take the nastiest, filthiest, wettest dump in a paper bag and then slap someone in the face with said bag. Works best when bag has had time to soak and get soft and soggy.
Wes tried to unload some groceries on that dude, but the bag ripped mid-swing and spattered feces all over the bystanders and they started gagging and wretching, followed quickly by vomiting on each other en masse. What a night.
by UnloadSomeBrownLove April 17, 2010
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