Cock Lag 

When a man is getting tired while having sex and his hips start to slow to choppy spaced thrusts.

"I mean he's hot on the outside but he has Cock Lag so it isn't worth it"
"Bro, I wanted to fuck her so hard but I was getting hella Cock Lag"

Cock Lag by Yuulu November 30, 2016

cocklag 

When your penis begins to lag.

Dustun has cocklag.

cocklag by Jaden the Best Minecraft playe January 27, 2021