1.A two finger stab at a vagina.
May or may not be warranted.
May or may not be expected.

2.A unexpected punch to the vagina.
Encouraged to undermine a female's
authority in a given situation.
1.Oh man I totally gave Shirley a koo shot last night before we fucked.
2.Then after Shirley passed out some random hobo came by and gave her a koo shot.
3.This bitch came up to us and started yelling and shit so out of no where Kyle gave her a koo shot and she went down.
by Z Diddy March 28, 2005
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