Someone who isn't very creative and really indecisive, they usually take credit for dumb and useless ideas which they would've have spent years thinking of.
BOB: *tells joke*
JON: *says joke louder so everyone else can hear*
BOB: why are you such a Yangman?
JON: *says joke louder so everyone else can hear*
BOB: why are you such a Yangman?
by cyang946 September 21, 2019