A word a bunch of smut muffins came up with to insult someone really cool. Nobody is really sure of the exact definition, but it seems to be used to express some sort of sexual interest.
Smut muffin: "hey bro, you're a tums cupcake!"
Cool person: "oh... Ok" *continues eating lunch*
by Swankswagmuffin January 8, 2012
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The act of ejalculating into a belly button and placing cereal in the belly button (prefereably Lucky Charms). Now you grab a spoon and make your bitch eat that shit while you chill on your ass and play COD.
Tom: Yo, i was playing COD last night and this biddy knocked on my window so i let her in and we shared a nice Tum Diddley.

Harry: That is radical dude!
by BonesNYY March 28, 2011
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When someone is constipated after having sex because of swallowing too much cum.
Girl: Doctor I have a stomach ache. Doctor: Did you have sex the past day? Girl: Yes. Doctor: It sounds like a classic case of cum tum!
by Stonewoof October 25, 2015
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A condition caused by ingesting too much wasabi, especially common when eating wasabi peas. Symptoms include a burning sensation in the stomach and nausea.
I shouldn't have eated all those wasabi peas because now I have wasabi tum!
by ChelleSue September 6, 2005
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When in need of tums to cure a massive case of heartburn
"Yo man, those wings were hot I am definately Tums Bound."
by tifftayla0 May 16, 2009
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1) Parody of "The Adventures of Tom Sawyer." Includes various cameos of some Chat Tell You! characters.
"I reckon it would be unfortunate to trip and drop this here turkey," said Aunt Polly. Speak of the devil, for legend has it, that Aunt Polly stepped in the monstrous hole Tum had dug only to have the turkey come crashing down upon her fingers."

"We swear to keep this here done-gone secret till cat rat, devil follow cat, and warts follow devil.

Signed,
Tum and Huck"
by Lord Shawn of Chat Tell You August 11, 2005
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Jewelery for your belly
Woah check out Hollie's tum-bling!
or
Person 1: Woah look at the ring in that belly!
Person 2: I know! Tun-bling or what!
by SirPimpington December 28, 2010
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