Muscle Cow

A boner that lasts for a long period of time for no reason, or if you've taken too much viagra.

Dude yesterday I had a freaking muscle cow during that lecture and I swear everybody noticed.

Muscle Cow by JoshTheManWassup April 4, 2011

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Related Words

Muscle Cow • muscle cars • muscle • muscle milk • muscle butt • Muscle Mary • muscle queen • muscle bear • muscle bike • Muscle Man