Top Definition
In a game a very close tie. A hard fought game that ends in a tie.
The Redskins and the Rams had an up-down game and it ended 27-27 in a real sister-kisser!
by Anothe Radult September 09, 2007
A woman who is bi sexual, and kisses her twin sister.
Jess Origliasso, from The Veronicas, kisses her twin sister Lisa Origliasso.

You see her at a concert and you yell.

"Sister kisser!"
by Jessbian November 05, 2007
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