Meaning : Be lazy or idle.
Example :
Her son is just bumming around all day.
Synonyms : arse about, arse around, bum, bum about, bum around, frig around, loaf, loll, loll around, lounge about, lounge around, waste one's time
Meaning : Leave immediately. Used usually in the imperative form.
Example :
Scram!.
Synonyms : bugger off, buzz off, get, scram
Meaning : Get sexual gratification through self-stimulation.
Synonyms : jack off, jerk off, masturbate, she-bop, wank