The act of taking out and putting in a girls tampon. Usually done in secrecy but when word gets out it spreads like herpes. It is only done by people whom have nothing better to do in life.
Guy 1: Hey Guy 1, what did you do last night with your sister?
Guy 2: Uhh nothing, why?
Guy 1: You're a FAG I heard you were totally EFKAMPING your sister!
Guy 2: Shit maine how'd you know?
Guy 1: The whole school knows.. that shit spreads like herpes.
A way of saying Fucking, without the same level of vulgarity, and also a way to make yourself sound like a complete Dork if said seriously with no tone of sarcasm.
See also Fecking.
Example 1-
Fat Old Man: "..."
Young Asshole: "YOU ARE SO EFKING FAT! YOU FUCK!"
Example 2-
Mother: "Johnny, please pass the Efking salt for your father."
Johnny: "Ok, I will pass the Efking salt.
Example 3-
Suicidal Man: "I hate this Efking world."
Random Dickhead: "Go jump off an Efking bridge!"
Suicidal Man: "Suck my Efking penis, I can't swim!"
Efklides is a Greek name that is usually used by cool people that are smart, sexy and good at making souvlaki. If you have this name, you are essentially a walking god.