When a soldier hits another soldier's kevlar helment with his own kevlar. Since the cover is usually green camo it looks like to turtles rubbing together, hence the name. I t isn't used much anymore because most soldiers are running around in desert uniforms now because of OEF and OIF
by anonymous August 03, 2004
John: I need a light for my cigarette.
Bob: I don't have anymore matches, I'll just give you a turtle fuck.
Bob: I don't have anymore matches, I'll just give you a turtle fuck.
by jiblair July 07, 2005
When you do your bitch doggie style under the coffee table, when she sticks her head out the other side you punch it. Hince the word turtle fuck
by Made Man August 21, 2006
Two hard hats hitting, usually used in joke form with a new kid, or soft handed man, new to wearing a hard hat.
Joker: Dude, have you ever seen a turtle fuck?
Jokee: No, why?
Joker: Do you know what it sounds like?
Jokee: No, what?
Joker hits Jokee's hard hat with his own.
Jokee: No, why?
Joker: Do you know what it sounds like?
Jokee: No, what?
Joker hits Jokee's hard hat with his own.
by Odinsworn December 19, 2006
by Georgia Brott November 13, 2007
Military or construction worker slang for when one person slams his helmet on another persons helmet while on their head.
by Jolecage June 19, 2008
The act of having sexula intercourse while the girl is under a coffee table, and when the girl sticks out a leg or an arm the man smacks it with a whiffle ball bat untill it goes back under the table.
by SxEx March 11, 2009