Top definition
Noun: Two/ or more chicks, jumping in the air excitedly and performing a high five with their chests.

Note - They must incorporate loud obnoxious cheerleader hoorays as they complete this action.
Kyle: "Omg dude, those chicks totally did a high-boob!"

John: "Man...them chicks are fine!"

(Stella and Lily win a tennis match together)

Stella: I can't believe we won!

Lily: Me neither! High-Boob!
by ButhiFoLife August 11, 2012
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