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1:When one eats food (especially fast food) in the tub or shower.

2: when coming home from a long sweaty gross day, and you want to shower/bathe and eat at the same time
"I was tub munching after the concert so I didn't have to do it later."
by Heart eater June 24, 2016
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2
1) A person who enjoys eating fast food while in the bath or shower.

2)OR Eating while taking a bath or shower on a short time frame so they don't have to do it later..
"I was tub munching after the concert so I didn't have to eat later"

"I always end a long day by tub munching
by Heart eater June 24, 2016
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