gagman

[gag-man]

noun, plural gag·men.

a person who writes comic material for public performers.
a comedian who uses a patter of jokes and funny remarks.

Also gag·ster [gag-ster] /ˈgæg stər/.

Origin of gagman

An Americanism dating back to 1925–30; gag2 + man1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019