Poking someone in the butt (mainly the hole) through clothing, and yelling out "goose!"
Goosing;
1. Goosing; when one sticks their finger in a hole it does not belong.
Example;
Hayley: -gooses Lani-
Lani: -screams in annoyance-
Hayley: Goose! You've been goosed! I goosed you!
Lani: Quit goosing me!!
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