To engage in intercourse without the use of a condom, the way a couple who were married would. Mentioned in the song "Trojan" by rapper Sol.
by SeatownChamp July 6, 2011

by why can't I find any username? December 9, 2020

A recording style used by Black Metal artists which is extremely lo - fi and utilizes unconventional recording methods.
by bevus1 February 27, 2019

A professional coitus act where a person. preferably a surgeon, cuts down the middle of the stomach and proceeds to ejaculate onto the guts.
If not a surgeon, pretending to cut down the gluteal cleft and proceeds to aggressively butt fuck her laying down (This is not doggystyle)
If not a surgeon, pretending to cut down the gluteal cleft and proceeds to aggressively butt fuck her laying down (This is not doggystyle)
Guy 1: How's Medical School?
Guy 2: Ehh i only went into it so i can preform zipper style
Guy 1: I would do that too
Guy 2: Ehh i only went into it so i can preform zipper style
Guy 1: I would do that too
by 8ty July 3, 2025

When you fuck a girl from behind who is taller than you so you have to sort of climb on her back like a backpack to fuck her. It's similar to doggy style
Yo, I totally hooked up with that volleyball chick, but she was taller than me so I had to fuck her backpack style
by coolman222 December 8, 2020

by Stinaballerinaflike March 30, 2019

When a guy pees on the outside of thea toilet bowl so it doesn't make any noise. Its called pterodactyl style because the pee is silent.
by McSuperDo October 12, 2015
