John Launder 

noun: an incredibly stupid action. John Launder is a character from a Larry Shue play that is the classic dim-witted klutz

"You just pulled a John Launder!"

John Launder by jtbaum88 April 13, 2010

John's dirty laundry

When you take a dirty sock, ball it up, and shove it in a girls ass. You then take it out, put it on your dick and then proceed to fuck her pussy.

"Hey Man, I heard from nancy that you gave her a John's dirty laundry." "You bet your ass I did...get it...ass."

John's dirty laundry by Michael David December 1, 2006