bum

nouns

a person who is deemed to be despicable or contemptible
"only a rotter would do that"; "kill the rat"; "throw the bum out"; "you cowardly little pukes!"; "the British call a contemptible person a `git'"
bum, crumb, dirty dog, git, lowlife, puke, rat, rotter, scum bag, skunk, so-and-so, stinker, stinkpot
a disreputable vagrant
"a homeless tramp"; "he tried to help the really down-and-out bums"
bum, hobo, tramp
person who does no work
"a lazy bum"
bum, do-nothing, idler, layabout, loafer
the fleshy part of the human body that you sit on
"he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?"
arse, ass, backside, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, fundament, hind end, hindquarters, keister, nates, posterior, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush

verbs

ask for and get free; be a parasite
bum, cadge, grub, mooch, sponge
be lazy or idle
"Her son is just bumming around all day"
arse about, arse around, bum, bum about, bum around, frig around, fuck off, loaf, loll, loll around, lounge about, lounge around, waste one's time

adjectives

of very poor quality; flimsy
bum, cheap, cheesy, chintzy, crummy, punk, sleazy, tinny