A Lake Erie Monster is the biggest baddest shit that someone leaves in a toilet bowl for the next person to admire. So named after Lake Erie, one the Great Lakes because that's where the Monster swims to eventually.
by The CLE Steamer May 11, 2009
Usually in context of a sexual joke, but can be done with simple procedures. Like so - stuff a woman's vagina with Mentos, then using a funnel to pour Coka-Cola, Pepsi, or any other carbonated beverage that will fizz and/or explode within her, watch the show and eat a nice movie snack such as popcorn.
Last night my girlfriend said she wanted a Lake Erie Monster, so I had to restock my cabinet with some pop(soda).
by TheDoc.#Paneti November 27, 2011