geezer

noun
  1. 1

    (dated in US) A male person.

  2. 2

    (chiefly Cockney) Someone affable but morally dubious; a wide boy.

  3. 3

    Term of address for a male.

    โ€œHi, geezer, you alright?โ€

    syn:mate
  4. 4

    (sometimes mildly) An old person, usually a male, typically a cranky old man.

  5. 5

    Wife; old woman.

noun
  1. 1

    A boiling natural spring which throws forth at frequent intervals jets of water, mud etc., driven up by the expansive power of steam.

  2. 2

    An instantaneous, and often dangerous, hot water heater.

  3. 3

    A domestic water boiler.

Source: https://en.wiktionary.org/wiki/geezer, https://en.wiktionary.org/wiki/geyser