Give Someone The Heave-Ho Meaning

(idiomatic, Britain) to fire, expel or break up with someone.

Example:   I'm looking for work again because they gave me the heave-ho.
1960, P. G. Wodehouse, Jeeves in the Offing, chapter X:
  I accused her in set terms of giving me the heave-ho in order that she could mercenarily marry a richer man.