geck \ˈgek\intransitive verb (-ed/-ing/-s) Etymology: Low German gecken to make a fool of, from Middle Low German, from geck fool 1.chiefly Scotland: to be scornful or derisive : mock — usually used with at < geck at me because I'm poor — Robert Burns > 2.chiefly Scotland: to show scorn or derision by tossing the head or casting sidelong glances