blowbang in English dictionary blowbang Meanings and definitions of "blowbang" noun (slang, vulgar) A sex act involving one individual performing oral sex on more than one man; an orgy consisting primarily of acts of fellatio. verb (slang, vulgar) To participate in a blowbang. more Grammar and declension of blowbang blowbang (plural blowbangs) blowbang (third-person singular simple present blowbangs, present participle blowbanging, simple past and past participle blowbanged) more Sample sentences with "blowbang" Declension Stem Try again Authors