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1.
(n) the act of having kissed someone and then realizing it was a mistake.
I got really drunk at the club and made a kisstake.
by marrian May 19, 2008
 
2.
Mistakes that start with a kiss and (generally in hind sight) go down hill from there.

You often won't realize the magnitude of the kisstakes you make until it's too late.
"You were with her for three years and she was cheating on you the whole time... don't feel bad, dude, we all make kisstakes. The important thing is that you learn from it."
by BrrGrr October 08, 2010