Crossword clues for How dumb of me! 3 lettersAnswerClueDOHDumb, dumb, dumb! to Homer SimpsonDOHDumb, dumb, dumb!DUHLike, dumb!ASADumb ___ postESTSuffix with "smart" and "dumb"APEDumb bruteSIC[You think I'm dumb enough to make THAT mistake?]DOHHow dumb of me!DOHI'm so dumb!DUHBoy, am I dumb!DOHBoy, am I dumb!MRTActor who said "It takes a smart guy to play dumb"ASSDumb cluckDOHSo dumb!DOHCartoon "How dumb can I be!"YUKDumb laughDUHHow could I be so dumb?OAFBig dumb doltOPEWhich, like dumb mouths, do ___ their ruby lips ("Julius Caesar")DOHCould I be that dumb?!DUHHow dumb can I be!DOHThat was dumb!AWEStrike dumbIBEHow could ___ so dumb?DIMDumb as a postDUHHow dumb of me!DUHDumb replyJIMJeff's "Dumb & Dumber" costarOAFDumb lummoxDUMBSpeechlessDUMBBell or waiter starterDUMBNot bright at allDUMBWord with waiter or bellDUMBPrefix for foundedDUMB__ DoraDUMBMake absurdly easy, with "down"DUMBOversimplify, with "down"DUMBKind of luckDUMBPrefix for struckDUMBStart for waiter or bellDUMB_ show: mime playDUMBUnintelligentDUMBAsinineDUMBKind of cluckDUMBHalf-bakedDUMBNot too brightDUMBLike flip phones, retronymicallyDUMBNot smart at allDUMBLeft without wordsDUMBLike Zero in "Beetle Bailey"