sweat running 

Someone that seeks sex in hot dry heat, for example on hot sandy beaches or in the sauna.

That Neil is one crazy mofo, I heard he's going sweat running at the health farm tonight

sweat running by Nemo Carlisle March 4, 2007

running in your seat 

Leaning away from someone you're sitting next to

Girl, you must not be feeling me the way you're running in your seat.

running in your seat by Kuahmel December 7, 2009