The act of inserting one's large toe within the anal cleavage of a said subject.
"My anal cavity is destroyed after receiving a trenchfoot from Jon Gregg's large toe"
by Virginia D'Ischarge February 08, 2009
An euphemism for placing ones foot within a ladies vagina.
Hello michelle, would like me to Trench-foot you?
by Richie Horton January 25, 2009