sloppy drunk adjective 1noun 1forms 3 adjective1 •(informal) Very drunk.“He wants to talk to you, Reverend Wayne. Honestly, if Joseph was a drinking man I would say he’s sloppy drunk. He just doesn’t make sense.” — 1964 noun1 •(informal) A person who is currently or habitually sloppy drunk.“Lawton was an idiot. A sloppy drunk who pinched nipples and patted rear ends as if it were his God-given right.” — 2000 formssloppy drunks · more sloppy drunk · most sloppy drunk