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When one acts by slapping their chest in an odd formality, whilst letting out a disgruntled moan of excitment.

ie; "ugggh!" (Moan).

Typically used when something exciting happens.
1.) I was made fun of at school today for chest tapping after we watched a documentary on the Cival War.

2.) Last night the drug store ran out of chest tap lubrication so I had to by the expensive brand at Family Dollar
by alko12 July 09, 2016
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