log layer 

Someone who takes massive shits.

That there is an absolute log layer of a man!

log layer by legomaster97 September 27, 2020

Lager log 

The sleek-and-smooth sort of bowel movement often experienced the morning after a night of heavy drinking that softly slips into the water like an otter off the river bank.

"I'll see you in 10, Harold, I'm off to deposit a lager log in your lavatory".

Lager log by DelicateCargo June 4, 2015