To smack ones penis in the face of another. Less homosexual alternative to T-Bagging, when used towards the same gender. Generally applied towards a drunken aquaintance during a dare.
"Hey, I double-dog dare you to T-Bag Vinnie right now!"
"Aw, I would, but he passed out with his mouth closed. OH COOL I CAN SPIFF THAT MO'FUCKA. SCORE"
"Aw, I would, but he passed out with his mouth closed. OH COOL I CAN SPIFF THAT MO'FUCKA. SCORE"
by IvyLeagueBiaatch May 5, 2008
Get the SPIFmug. by Sarah Mae~THE COOLEST PERSON EVER March 5, 2005
Get the spifmug. Old english word, used by Upper Classes (Private school types, Rugby Players, heirs etc.) to describe something or someone who absolutely brilliant cannot be exceeded.
by Flossyyyy August 30, 2015
Get the Spiffingmug. by Lozsmith January 19, 2004
Get the Spiffingmug. Spiffing, or to spiff is to have sexual intercourse with your partner/person and leave either the person, or area in a mess.
by brokenvanity August 17, 2010
Get the Spiffingmug. 
