Farting into your cupped hand and then quickly placing it over your friends mouth and nose. You can also blow it from your hand onto their face like blowing a kiss.
Carl just gave me the best floating biscuit, it came out nowhere.
by kombatmuldoon January 29, 2014
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To silently drop a fart and watch to see who first smells it
Did someone just float an air biscuit?
by DumbAssFucker November 19, 2017
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Synonym for doing nothing important or helpful.
Bag of prunes: what were u doing ystrdy
The Stick: floating an air biscuit

Bag of prunes: same
by Mars'seile December 23, 2015
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