A procedure used by the TF2 invite roamer Taggerung. It involves the repeated bashing of your head against a wall by repeatedly Jumping into a group of 3-4 people and praying for a med pick,because you have such little impact on the match that you're better off killing yourself and hoping for a decent pick or forced uber.
Alternatively, it's an alcoholic drink that contains equal parts Jager and Harbleu Tears, and is usually drank at LAN after Mix^ gets shit on.
"Well, looks like HRG wants to push, but I guess they're going to go for a tagg bomb and pray for a pick."
"gg everybody, tagg bombs are on me tonight."