Top definition
noun, the force that draws men to look at a women's breasts by sensing/seeing a little bit of cleavage produced from her breasts.
1. I was talking to her, but cleavity caused my head to drop down.
2. Jenna Jameson's cleavity is legendary, I don't even know why she puts on make up.
by waterboy711 July 15, 2008
Mug icon

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