look up any word, like ratchet:
 
1.
Generally performed by cook or some sort backline employee-type. For whatever reasons,(i.e. plate sent back, difficult diner or just don't like someone,) the cook removes his cyclops stick from his britches and strikes a portion of the meal and sends it out to be ate.
"That guy was such an ass, so I gave his mashed potatoes my mushroom stamp of approval."
by Marcoleptic June 21, 2006

Words related to Mushroom stamp of approval

mushroom mushroom stamp approval food ink face mushroom head mushroom surprise stamp