(transitive, informal) To unleash, let loose, uncork. / (intransitive, usually with a prepositional phrase) To utter or release without restraint. / (slang) to fart

Third-person singular simple present indicative form of let one's hair down

Third-person singular simple present indicative form of let sleeping dogs lie

Third-person singular simple present indicative form of let it all hang out

Third-person singular simple present indicative form of let the cat out of the bag

(idiomatic) To accidentally reveal a secret.

(slang) To fart.

(informal) To set off or allow to begin.

Of or expressing a belief in mutual tolerance.

(set phrase) Used as a filled pause to indicating thinking or pondering, not inviting hearer to participate.