give (one) the heave-ho

To dismiss or reject someone. "Heave-ho" refers to the literal lifting and tossing of an object; in this sense, it is used metaphorically. I can't believe the boss gave me the heave-ho after five years on the job! A: "Did you hear that Liz broke up with Dan?" B: "Wow, I never expected her to give him the heave-ho!"