Tub munching

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

Tub munching

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."