To ejaculate into a Man's ass, then pull out and finish on their back. Commonly done with a Hoosayne or Quartney.
by NotYunus July 21, 2019
Get the Gunnermug. by Jimothy von Stevens November 24, 2021
Get the Gunnermug. Squat down, put you hand behind you right leg and masturbate vigorously until you explode everywhere like a machine gun, ergo Russian gunner
Boy 1: " I tried the Russian gunner last night"
Boy 2: "Oh? What happened"
Boy 1: "I think I declared war"
Boy 2: "Oh? What happened"
Boy 1: "I think I declared war"
by ThePandaKing November 1, 2011
Get the The Russian Gunnermug. by Some dude with a tractor March 22, 2021
Get the Gunnermug. An awesome, massive dude who can deadlift over 10,000lbs and also has amazing facial hair and he's super hot
by Itchy Dick November 23, 2021
Get the Gunnermug. by La_Favored December 18, 2022
Get the Gunnermug.