bung-hole UK /ˈbʌŋˌhəʊl/US /ˈbʌŋˌhoʊl/noun 3verb 1forms 3 noun3 •A hole in a vessel, such as a cask, that may be stopped with a bung.Pop a tap in the barrel's bung-hole so you can pour us a round of beer, innkeeper! •(vulgar, offensive) A stupid, irritating, or contemptible person.I need TP for my bung-hole. — 1994 •(slang, vulgar) The anus.So leave me... You never do have much margin there, but see if you can’t leave me about an inch from where the zipper [belches] ends around under my—back to my bung-hole. — 1964 verb1 •(slang, vulgar) To have penetrative anal sex with. formsbung-holed · bung-holing · bung-holes