pump session 

Lifting weights in a vigorous fashion.

Friend - wanna go hang at the bar
Me - no bro I gotta pump session later

pump session by ThotWalk48 June 27, 2014

pupsession 

An obsession with puppies. Usually curable by playing with or purchasing a puppy.

Jill: Did you see Mason's dog? I am seriously in love with it!
Mitch: Sounds like you have a pupsession!

pupsession by hmcspellingbee May 13, 2015