gym pump

a temporary state of swole right after you hit the gym

Phi: woah that kid's so swole
Marin: no he just worked out, thats his gym pump

The Post Gym Pump

When you go to the gym and get temporarily get bigger after your workout, just to go back to your normal size.

You (post gym): "man I'm so pumped after that workout, I'm freaking huge!"

Your body: "you just have the post gym pump. This is what you could look like, but... you won't actually look like that in about 30 min"