Noun. 1.a good friend, pal, or buddy..chummy.adj. to be friendly.
2.Shark bait composed of unwanted or useless fish parts. chummed; chummer; chumming; ect.
3.SLANG.Semen or sebum see also "smegma".
1.n."They are old chums"
adj."They are acting chummy"
2."I saw a chummer chumming with chum, he chummed all day"
3."Suck my chum!"
Exclamatory: Word often used in response to any unexpected threat or reaction personified by a high-pitch-like squeel.
Synon/with "OH SHIT!" or "EEK!"
A posesed Teddy Roxbin wielding a knife has appeared at the foot of your bed.