The phrase is casual and often used among friends, not in formal situations.

Informal Use

Implies an element of unreliability or irresponsibility when skipping commitments.

No-Show Implication

Predominantly a British term, might not be understood or even used by English speakers from other regions.

Specifically refers to firing someone in an informal or abrupt manner.

The term might convey a harsh or unsympathetic action by the employer.

Used for dismissals that may not follow a formal procedure or lack serious reasoning.