1. Grog: to call someone on the phone while you're taking a shit. Usually includes the other person discovering you were taking a shit when they hear the toilet flush. (e.g. to grog someone)
2. Grog: to take a shit, to poop. (e.g. taking a grog)
1. "I just called John the other day while I was on the toilet and I grog'd him."
2. "Tim Grogins just grog'd himself!"