Gas Logs

When you have a large dump with a lot of gas.

If I eat too much Mexican food, I'll have gas logs for days.

by aguyinnc12 July 06, 2011

gas log

The moment right before a shit when air is expelled from the anus, preparing it for the upcoming shit.

Man, I just passed a gas log and the shit express is on it's way!

by deysr July 12, 2012