1 definition by Acrobrat

A specific kind of tantrum usually brought on by denial of having lost. Similar to a regular tantrum, a tantrump is irrational outrage typically associated with immaturity and inability to process emotion. Unlike a regular tantrum, a tantrump is internalized rather than externalized, often to the point that the perpetrator believes their own bullshit.
"Why didn't Donald play his last hand? He just got up and stormed away from the table."

"Oh, he just lost but doesn't want to admit it, so he's having a tantrump."
by Acrobrat November 16, 2020
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