In the Nordic highlands, it was widely though to be rude when prince's of lords would pick their teeth with their fingers in a jerking motion, while speaking ill of their house.
This custom was adopted by the Europeans in the 1600's
When your son is mouthing off, when he should be zipin' the lip. He's being a mouthjerk
1. A hand job performed using ONLY the index finger and thumb, similar to a jeweler examining a diamond. Primarily used on those penises resembling a toddlers toe. Extreme concentration is necessary to successfully complete the task at "hand".
Tripp: "Dude, did you end up hooking up with that broad last night?"
When a man puts his penis in a first woman's rectum and a second woman fists fucks the first woman in her vagina, stimulating the man to orgasm through the vaginal/colon wall without the man thrusting his penis while the penis is in the first woman's rectum; it's like a hand job, but without actual contact between the hand and penis. Also, the first woman is both penilely ass fucked and vaginally fist fucked at the same time, a more extreme version of a double penetration.
"Man, I was watchin' this two-hooker donkey show in TJ, and the mule was fuckin' the one hooker's ass, and then the other hooker gave the donkey a dyke jerk, felched the cum out of the first hooker's ass, and the hookers snowballed the mule's 'payload' back-and-forth before spittin' it in each other's faces - 'it was fun; I had a fun time ...!'"