When a guy sticks his dick in an ass, takes it out and slaps the other person in the face, imitating a windmill
Steven: "MAN!! last night I gave a girl an extremely excellent muddy windmill... she loved it!"
Jack: "Sounds like fun! We should try it sometime"
Jack: "Sounds like fun! We should try it sometime"
by JuneauPankake February 6, 2010
Get the Muddy Windmillmug.