- 1bum something (off somebody) (informal) to get something from somebody by asking synonym cadge Can I bum a cigarette off you?
- 2bum somebody (out) (North American English, informal) to make somebody feel upset or disappointed See related entries: Disappointment Word Originverb mid 19th cent.: probably from bummer. Phrasal Verbsbum about
BrE BrE//bʌm//; NAmE NAmE//bʌm//Verb Forms present simple I / you / we / they bum
BrE BrE//bʌm//; NAmE NAmE//bʌm//he / she / it bums
BrE BrE//bʌmz//; NAmE NAmE//bʌmz//past simple bummed
BrE BrE//bʌmd//; NAmE NAmE//bʌmd//past participle bummed
BrE BrE//bʌmd//; NAmE NAmE//bʌmd//-ing form bumming
BrE BrE//ˈbʌmɪŋ//; NAmE NAmE//ˈbʌmɪŋ//Disappointment