Beat-A-Thon

1) When you have a marathon of fuckin, followed by more fuckin and then you fuck some more. Usually involves beating no jimmy aka bareback.

2) When you invite girls over and expect them to have sex all night long, like a marathon of fuckin. So much sex, you have to stretch so you don't pull a muscle
Example 1:
Jake: "Why do you look so tired Kyle?"
Kyle: "I had Paige over last night, we had a beat-a-thon. I'm so exhausted now"

Example 2:
"All the guys are ready for a beat-a-thon, and no one brings jimmys"
by JDOT23 October 13, 2014
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