(slang) To die.

(literally, sometimes philosophical) This thing has its own distinct nature; this thing is itself.

(UK, informal) Exceedingly eager, or having a keen desire or appetite for something. Particularly associated with and originally from the Madchester Era.

(idiomatic, vulgar) An expression of frustration similar to, but not as vulgar as fuck it.

(idiomatic) To put maximum effort into achieving something. / To decide to do something; especially after a period of hesitation.

People tend to take things for granted while they are available.

(idiomatic, chiefly as imperative, derogatory, colloquial, dismissal) To leave; to go away. / (idiomatic, US, Canada, vulgar, colloquial) To masturbate, usually a man of himself.

(idiomatic) To be careful or cautious; to pay attention to what one is doing (usually imperative).

Alternative form of itsy-bitsy

(idiomatic) To go to bed to sleep / (idiomatic) To cease what one has been doing for the night