Okay so according to Urban Dictionary, “tweakin” means someone who isn't making sense or is saying stupid stuff.
A plugin, or “tweak,” is an add-on that creates additional functionalities not included in the official Snapchat app. If you use them or have them installed on your device, you may have trouble logging in — or your Snapchat account may even get locked.
2 slang : a person who illicitly uses methamphetamine and especially crystal meth When he got like this, his neighbors would scream at him and threaten to call the cops, but they were tweakers too.—
For the uninitiated, according Urban Dictionary “tweaking” means not making sense or saying something stupid. But it is a phrase that has been used in black culture for many years, and it basically means 'he's crazy'.
Tweaking is a word used a lot in rap and hip hop culture and to mean someone who is on drugs or is high. It can loosely be translated to somebody not making sense or saying something stupid.
The slang term “Tweaking” is an adjective, which is used by rappers in hip-hop/rap music and the culture to reference saying nonsense or being on drugs.
In rap slang, "tweaking" means on drugs, or in this case, Lil Nas X meant "he must be on drugs". Advertisement. According to Urban Dictionary “tweakin” is described as the act of not making sense of anything or saying something stupid.
Why is everyone posting “nah he tweakin”? It has to do with shoes, blood, and skateboards, reports WPST. Long story short, earlier this year the rapper Lil Nas X debuted a limited edition “Satan shoe” that literally had a drop of his blood in the soles.
What is nah he tweaking on Instagram? The phrase was first used in a comment from Lil' Nas X under a post about Tony Hawk's blood-enthused skateboards. It then went viral on Instagram after it became part of a glitch on the platform where comments were all being replaced by the phrase.