Definitions
1.verbTo sodomize; to engage in anal sex.
2.verbTo ask someone to give one (something) for free; to beg for something."Can I bum a cigarette off you?"
3.verbTo stay idle and unproductive, like a hobo or vagabond; to loiter."I think I'll just bum around downtown for awhile until dinner."
4.verbTo wet the end of a marijuana cigarette (spliff).
5.verbTo depress; to make unhappy.
6.verbTo make a murmuring or humming sound.
7.adjectiveDepressed, disappointed, in a gloomy mood.