1 definition by Schoopy

Verb: To Gapper, Noun: Gapper

Perform a task like a complete and utter fucktard with little or no regard for the outcome.
Accidentally starting World War III:

Oh no! I've just Gappered that up, right royally.

Insult:

You stupid fucking Gapper.
by Schoopy February 20, 2014
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