1. to emit a strong offensive smell.
2. to be offensive to honesty or propriety; to be in extremely bad repute or disfavor.
3. Informal. to be disgustingly inferior.
"I don't want to be rude, but your breath is taint".
To act, or be acting out of character.
"She came home last night and got right into the shower; She never does that. It was really swollow".