Lay a log 

use the bathroom, defecate.

"Oh! Damn. I ate too much. I've got to lay a log."

Lay a log by DCinDC June 26, 2009

lay down a log

to take a large shit

yeah mate I'll be right back, just gotta lay down a log

lay down a log by bobjonas December 29, 2015

lay down a log

to take a large shit

yeah mate ill be right back just gotta lay down a log

lay down a log by citropussy January 25, 2016

lay down a log

to take a large shit

yeah mate I'll be right back just gotta lay down a log

lay down a log by citropussy December 29, 2015

lay down a log

to take a large shit

yeah ill be right back mate just gotta lay down a log

lay down a log by bobbyjonas January 7, 2016