A homosexual act in which two men stand facing each other and roll the same rubber onto both erect cocks. They then violently agitate the rubber-encased twin saveloy until both queens have emptied their sacks. Named after Briggsy, the famous art guy and co-author of The Joy of Gay Sex.
Faggot: My hobbies are painting,ironing and doing the Double Briggsy.
by Colin Cummerbund September 14, 2006