when a guy puts on a strap on so that he can bang her in the ass with the dildo as he penetrates her vagina, or vice-versa. Same concept as an actual bayonet, you mount an extra weapon at the bottom of your "gun" for close combat action.
"i was a little worried when she brought out a strap on, i'v never taken it in the butt, but she just wanted a rusty bayonet"
by joe moma343 January 10, 2009
Get the rusty bayonet mug.Inserting an erect penis into someone's anus, and then pushing it back and forth between two large breasts to simulate a stabbing motion.
"So I found out she liked anal last night. When she wasn't paying attention i flipped her around real quick and gave her a real good rusty bayonette.
by Skoolp January 1, 2012
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When a woman is impregnated while participating in anal intercourse... Details are left to the imagination.
Bro 1: Dude, you know that girl Rachel?
Bro 2: Yeah man, I heard she got knocked up!
Bro 1: Yeah, and she said that I'm the father, but I just Butt-fucked her, since she had a nasty Kraken Snatch
Bro 2: you must have pulled a rusty bayonette!
Bro 2: Yeah man, I heard she got knocked up!
Bro 1: Yeah, and she said that I'm the father, but I just Butt-fucked her, since she had a nasty Kraken Snatch
Bro 2: you must have pulled a rusty bayonette!
by arr1029384756 September 6, 2011
Get the Rusty Bayonette mug.A sex act where an individual cuts their hand, defecates onto the wound, then masturbates oneself or another individual.
by colonelwhiskers July 19, 2017
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