thigh-slapper

[thahy-slap-er]

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noun Informal.

a very funny joke, remark, story, or incident.

Origin of thigh-slapper

First recorded in 1960–65

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for thigh-slapper

guffaw, hoot, riot, roar, scream, wow, howler, sidesplitter, thigh-slapper