The result of a toilet overflowing onto somebody's carpet. Happens when you take a large dump and the toilet clogs up, and the water starts to pour out of the bowl. It flows into the hallway and creates a horrifying stench that lingers for days on end.
"When I was at Steve's I took a huge crap and made a carpet lake. It was hilarious."
by Marki G May 19, 2005
the geographical region of the room for any kid in the midst of the game "dont touch the ground its lava." the carpet lake is a piece of land (carpet) which you can touch without being "burned."
"When Zach jumped from the bunk bed, I had no choice but to find 5 seconds of safety at the carpet lake."
by my uterus and i September 26, 2005