boobily adjective 1adverb 1forms 2 adjective1 •(slang, no longer used) Stupid, unintelligent.Gayl. Only 'Squire Sapscull, his Bride, and boobily Man. — 1736 adverb1 •(nonstandard) Involving boobs (women's breasts); in a booby manner.Remo waited in front and Lynette came boobily bobbing out in precisely ten minutes. — 1975 formsmore boobily · most boobily