The act of doing a backward summersult and in midflip grasp onto your partners neck with your legs releasing a fart into your partners face. As you Fart your partner sucks in the fart.
When one fist is shoved wrist deep in the Vagina, and the other is likewise inserted into the anus. One then proceeds to lift the recipient into the air with both fists, the recipient thus becomes the human flail.
Bro1: Bro, my girlfriend and I tried The Human Flail last night!
Bro2: Dude, no way! How was it?
Bro1: It was great! Arms, legs, and titties were everywhere!
A "human" that spends so much time playing video games that their posture is level nerd neck. Everytime anyone goes tryhard they hunch down and their neck gets longer there fore a nerd neck is always hunched down cause they're always going try hard. In other words a nerd neck is a try hard, since their neck is 100% longer than the average human being due to playing too many video games and taking them serious, nerd necks are not even considered human anymore but something more sad. Nerd necks are often found on fortnite, their natural habitat usually being tilted towers.