Top Definition
The pools of sweat collected under large breasts. Usually under larger women's voluptuous bosoms. known to cause interesting sweat designs in t-shirts and can cause a number of problems.
bro did you check out the underboob sweat on that one over there?

yeah bro the design is kinda trippy!
by the utter definition June 11, 2014

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Soft and offensive. Just like you.

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Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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