Top Definition
(interjection) a variation of lolsan; derived from lolsan and the trigonometric function sine, representing the value equal to quotient of the opposite side of a right triangle of angle (ß) and the hypotenuse of the same right triangle

(Usage common in French, Spanish, and English.)
"You make me barf! Lolsine!"
by joe cool June 18, 2004
1 Word related to lolsine

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