The phrase "bum's rush" is an idiom used to describe the forcible removal of someone from a place or event. There are several synonyms for this phrase that can be used interchangeably in different contexts. Some possible alternatives include "ejection," "expulsion," "banishment," "ousting," "eviction," and "removal." Other phrases that convey a similar meaning include "the boot," "the heave-ho," "the shove," "the push," and "the shove-off." Each of these terms is commonly used to describe situations where someone is forcibly removed from a place or activity, often due to disruptive or unwanted behavior.