any sexual act that involves licking and sticking
i got postage stamped in the ear last night
by agirlnamedpants April 3, 2008
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When a guy is doing a girl and pulls out, then jizzes onto a piece of paper from a novel, preferably the book "tai pan" by james clavell, then proceeds to smack the piece of paper on the girls face, imitating the act of putting a postage stamp on a letter.
Matt: I totally postage stamped this girl the other day.
Heidi: that's really sweet

OR, used in the present tense

Matt: shut up bitch or i'll postage stamp you
by Heidimatt May 2, 2005
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When a guy is doing a girl and pulls out, then jizzes onto a piece of paper from a novel, preferably the book "tai pan" by james clavell, then proceeds to smack the piece of paper on the girls face, imitating the act of putting a postage stamp on a letter.
Matt: I totally postage stamped this girl the other day.
Heidi: that's really sweet

OR, used in the present tense

Matt: shut up bitch or i'll postage stamp you
by Heidimatt May 2, 2005
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The sexual maneuver in which you cum into somebody's butt hole, lick it along the crack like your sealing an envelope, push the cheeks together so it's officially sealed, and then stamp it by giving the ass cheek a hicky.
"So, Tom and I were pioneering the Postage Stamp the other day and I wasn't able to defecate for almost four business days."
by Justin George Mitchell III March 26, 2008
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When a woman uses her lady juices to slap a males face (see fish slap), and then sticks his face to the wall.
Whoa did you see Tina?
She totally postage stamped Todd to the wall!
Well he won't be sipping on her koolaid anytime soon.
Oh No!!!
by The post officer December 31, 2011
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a tab of acid
hey try this scottish postage stamp, it will fuck u up real good.
by pookie69 April 22, 2009
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