Synonyms of 'bum'
piker (Australian, New Zealand, slang)
He works so hard he makes the rest of us look like pikers.
disappointing or disagreeable
The wine is very poor.
He was a poor actor.
for the birds (informal)
no great shakes (informal)
chickenshit (US, slang)
not much cop (British, slang)
half-pie (New Zealand, informal)
strictly for the birds (informal)
bodger or bodgie (Australian, slang)
her curvaceous posterior
He plans to have the five Olympic rings tattooed on his rear.
a person's buttocks
jeans stretching across her rump
a kick in the seat of the pants
skiver (British, informal)
He was a skiver and a thief.
a person who evades work or duty
He's not a slacker, he's the best worker they've got.
He desperately needs a kick in the tail.
Thesaurus for bum from the Collins English Thesaurus