Top definition
A female sibling of length 1-unit (typically 1 metre) who likes to ride on the other bus.
Hey Jim - I caught your sister rug munching one of her friends.

You've got an orthonormal gay-sis!
by Leonard_999 June 12, 2009
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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