The inner, upper part of a womans breasts. Cleavage
Dude 1: "Dude. I just saw some sweet inner side boob!"
Dude 2: "You mean cleavage?"
Dude 1: "whatever."
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug