Burnt out, tired, wasted, or just not motivated to do anything.
My friends wanted to me to go hiking but after snowboarding the previous day I was way to chummed for that.

After drinking way too much the night before I was so chummed I just hung out on the couch most of the day.
by Brf June 19, 2006
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Being shot at, or being hit with something.
by idiota December 9, 2003
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Chum Chum is extra fat/flab that is on you're forehead. This can also be related to fat layers on the foreskin.
" Wow Harris that is a lot of Chum Chum you got there"
by Tado October 12, 2009
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Act(s) that lead(s) up to and includes sexual intercourse (i.e. making out, hugging in "that way", etc.)
Is that chum chum I see in that dark corner?
by Mars November 9, 2003
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1.The female private area. 2. the dudes anal area
1."Yo i was in da yard rite and den i bent down and dis nigga tried to take my fuckin chum chums son."
by Choe April 27, 2006
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fat or chubbiness
That boys gotta little chum chum on him
by DA BOY Nizzle April 28, 2003
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