The meaning of this word comes from the original word of Shot which means to be burnt out or just do and act like an ass from doing drugs or anything along those lines. Shot load means that you are a load of shotness meaning that you basically suck at life and shuld just shut your mouth right at that moment someone calls you a shot load.
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.