(humorous) Said of a person who habitually mislays things.

(from Kantian philosophy on) A thing as it is independent of any conceptualization or perception by the human mind, postulated by practical reason but existing in a condition which is in principle unknowable and unexperienceable.

in the most advantageous area or sphere / in an effective manner / (euphemistic) in the testicles

(UK, Ireland, Australia, New Zealand, slang) To die.

Ellipsis of it takes all kinds to make a world.

(idiomatic) Diversity is essential: the world would be incomplete if everyone were alike; an expression of surprise at a person or people's eccentricity.

(idiomatic) An invitation for the addressee to slap the speaker's palm in greeting or celebration.

(idiomatic) To compete vigorously, to quarrel, or to fight physically. / To engage with people, relate to people. / To create one or more variations of the usual way in which something is done.

Alternative form of have one's cake and eat it too

Considering what limited worth this advice, opinion, or suggestion might have for you; used to soften the presentation of unsolicited advice or information that may not be relevant.