A drink from Starbucks, but also when its cold outside and you blow a load on her face and the jizz on her face steams because it is warmer than the air.
ex 1
Person 1: Dude, I love the weather so much!

Person 2: Why, its fuckin 20 degrees outside.

Person 1: Cause I gave your mom a Vanilla Steamer yesterday.

ex. 2
Dude that vanilla steamer from Starbucks was amazing.
by TheNoNamedNinja69 March 13, 2009
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The sexual act of taking a dump on someone's chest, followed by busting on said dump.
"Dude, I totally gave Jess the Vanilla Steamer last night. She loved it."
by jake kraus January 5, 2008
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The art of taking a shit on your partners chest the ejaculating on it the rubbing it around so that the shit and jizz fuses so it has a whitish hint.
Boy: How do you want it?

Girl: I want a Vanilla Steamer baby!
by Apollo Henderson March 18, 2008
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The art of taking a shit on your partners chest the ejaculating on it the rubbing it around so that the shit and jizz fuses so it has a whitish hint.
Boy: How do you want it?

Girl: I want a Vanilla Steamer baby!
by Apollo Henderson March 18, 2008
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Also a McDonald's "coffee beverage" tasting and presumably composed of roughly the same contents as the traditional on-yer-face kind.
Bob: "I ordered a McDonald's Vanilla Steamer, and it tasted like a vanilla steamer."

Tom: "Umm, duh?"
by andy497 November 6, 2007
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After taking a dump in a girl's mouth, you then ejaculate in her mouth.
Dude, I gave that chick a great vanilla steamer! She ate that shit up like it was from Starbuck's!
by piggytwochainsjohnson June 4, 2015
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