scratchback is a term similar to wetback. A scratchback is a mexican that tripped when trying to jump the fence and went underneath it and scratching their backs all to bat shit
a word of expression to when you give up on comprehending someone's words of ignorance, stupidity, absurdity or are too exhausted to formulate a proper response.
Commonly seen in TikTok comment sections in replies to lazy attempts at humor, overconfidentally incorrect statement, or an over-the-top comment or when someone completely misses the mark on something.