p,i.t.b.u.l.l.
A person who's always being a pain unless they're too drunk to stand up. They're loud, annoying, and always need attention.
My friend's mom is a p. i. t. b. u. l. l. She won't stop nagging unless she's wasted.
My neighbor's cat is a p. i. t. b. u. l. l. It won't stop meowing unless it's drunk.
My teacher is a p. i. t. b. u. l. l. He won't stop talking unless he's passed out.