Top definition
To give opponent insane power. One might be trying to say punch over text, but when they make a typo it will come out as pumch. So really they have given you power and you will no longer be getting punched
Irritating kid: "totally gonna pumch you at school tomorrow"

Victim: "pumch?"
irritating kid: "you know what I meant"

Victim: *shows urban dictionary pumch definition*

Irritating kid: "shit"
by Anon4lyfe October 13, 2015
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