Top definition
One of the many nicknames for the UFC fighter/former WWE Superstar known as Brock Lesnar. This one having to do with the phallic tatoo on his chest.
Yo, wtf is that on Brock's chest?...Dude, it's Cock Chestnar!
by BrBBQ4life July 13, 2010
Get the mug
Get a Cock Chestnar mug for your brother-in-law Vivek.