deepthroat A form of fellatio (oral sex) where the whole penis is taken down the throat. Often goes along with irrumatio (face fucking). This also includes deepthroating dildos and other objects. See alsocum in throatfellatioirrumatiohug and suckthroat bulgeTag group:Sex acts Aliases: noneRevision 7 by Anonymous at 2025-04-20 22:40:27.745149