A sexual act in which a gay man places his genetalia in between another man's, and thrust together. The prefix wrigley refers to Wrigley Field a popular gay bar in Chicago. The title sandwich refers to the position of the genetalia. Can also be used in the same sense as Sausage Fest
Jim: That dude is so gay.
Mike: Yeah I heard he had a Wrigley Sandwich with Joe Thorton last night.
Ricky: This is bad...
Ron:You're right, it's such a Wrigley Sandwich in here!