BUMMING
BUM
mooch, bum, cadge, grub, sponge
(verb) ask for and get free; be a parasite
bum, bum around, bum about, arse around, arse about, fuck off, loaf, frig around, waste one's time, lounge around, loll, loll around, lounge about
(verb) be lazy or idle; “Her son is just bumming around all day”
Source: WordNet® 3.1
Verb
bumming
present participle of bum
Source: Wiktionary
BUM
Bum, n. Etym: [Contr. fr. bottom in this sense.]
Definition: The buttock. [Low] Shak.
Bum, v. i. [imp. & p. p. Bummed (; p. pr. & vb.n. Bumming ( Etym:
[See Boom, v. i., to roar.]
Definition: To make murmuring or humming sound. Jamieson.
Bum, n.
Definition: A humming noise. Halliwell.
Source: Webster’s Unabridged Dictionary 1913 Edition