Derpism: Sayings your mom wouldn't think were funny (but really are and SHE knows it). YES! Derpisms will be a thing, me thinks... Ooooh, c’mon. You can’t expect me to be mature and respectable all the time. 😂😜😬😏😎 mehbeh? .   . #cartoon #derpheads #abclark #derpisms #cartoonist #cartoonistsofinstagram #friday #doodletime #sketchbook #adobedraw #applepencil #ipad