A woman's vagina. Typically, you eat out a clamwich. "Clam" comes from the slang that means a vagina, and "wich" comes from "sandwich", which is something you typically eat.
by anon, bitches. May 26, 2008

by steinenhootnhollerin October 31, 2011

-oooo I love peanut butter.
-ya me too, let me put it on your vagoli
-you mean a peanut butter clamwich
-exactly !!!
-ya me too, let me put it on your vagoli
-you mean a peanut butter clamwich
-exactly !!!
by Ezekiel Rage February 19, 2010

When a woman's pussy lips look like dark hanging roast beef meat with a pink moist center and smells like a clam sandwich
"Hey dude - did you do anything with that girl last night?"
"Nah man, when I pulled her pants down, she had a roast beef clamwich!"
"Nah man, when I pulled her pants down, she had a roast beef clamwich!"
by ClamtasticallyBeefy April 12, 2016

Evan: Dude I had an awesome threesome last night
Daryl: What a manwich you fag?
Evan: Nah bitch, a clamwich
Daryl: What a manwich you fag?
Evan: Nah bitch, a clamwich
by ficklepickleticklefucker June 28, 2010
