To take an object, such as something of value to another person, or perhaps their midday snack, and stick it down your pants, twirling it around for a bit so it strokes against your pubes, then giving it back to the person, thus leaving them standing dumbfounded with a thoroughly grossed up thing. Best done if some of your hairs stick to the object due to sweat.
I totally pubed up Carl's camera

I pubed up a candy bar and gave it to a chick, and she ate it

I pubed up your mom. In my pants.

I am about to go pube up that chick's hand. I hope she doesn't notice.
by Mattias Tillberg January 15, 2009
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