As nouns the difference between bum and bums
is that bum
is the buttocks or bum
can be (north america|colloquial) a hobo; a homeless person, usually a man or bum
can be (dated) a humming noise or bum
can be (obsolete) a bumbailiff while bums
As a verb bum
is (uk|transitive|colloquial) to sodomize; to engage in anal sex or bum
can be (colloquial) to ask someone to give one (something) for free; to beg for something or bum
can be to depress; to make unhappy or bum
can be to make a murmuring or humming sound.
As an interjection bum
) an expression of annoyance.
As an adjective bum
is of poor quality or highly undesirable .