simple past tense and past participle of think one's shit doesn't stink

The plant Rafflesia arnoldii

(UK) To disparage oneself; to say things that make oneself look bad.

Third-person singular simple present indicative form of stink to high heaven

present participle of stink to high heaven

Third-person singular simple present indicative form of stink like a mackerel

present participle of stink like a mackerel

A guest who overstays will cease to be welcome.

An explosion of unpleasant odors, like rotten eggs, garbage, or other unpleasant odors. / A device that produces such burst of unpleasant odors.

(Tyneside) Someone who smells badly, a stinker. / (Tyneside) Someone who is ugly or repulsive.