Gridding it 

To spend some time in "the learning grid"
Implication that it's serious quantities of time

Griff: You Gridding it today?
Dave: Gonna have to, have tonnes of work to do!

Gridding it by BrassDave October 14, 2007

grinding it out 

Grinder - Grinding it Out- On the grind

1) A player player who puts in his poker hours in a job-like way

2) Grind it Out, on the grind: working particularly hard, like when experiencing
an unlucky run of cards, to make an acceptable return on your time invested;
or when making a solid return when playing from a small bankroll at lower limits

Poker Pro's: Mugsy Russo is on the grind , The grinder Michael Mizrachi, Phil Ivey is grinding it out on the tournement circuit

"He Quit his job to become a grinder , he just won the world poker tour"

"what do you do for a living?"
"I'm on the grind"

"Today I'm grinding it out at the poker room."

grinding it out by Boz Conti October 6, 2008