Means: go kill your self with a dull rusty screwdriver boi
commonly used by og gamers one of the go to roasts if who your playing with is a nub or noob
bob: *snort* i wIlL bEaT u iN 1v1 on pLaYgRoUnD in fOrTnItE
you: but were playing Call of Dutykid
bob: i hAve mOrE sKiNz ThAn yOu tO
you: shut up stupid Bott