Dead hitmarker
In shooter games/FPS, when the bullets you are shooting at another player deal no damage. Usually as a result of bad ping or lag.
"Dammit I could've kept my 10 streak if I didn't have dead hitmarkers!
"Bro I hit him like 10 times and it did no damage! Fucking dead hitmarkers!
"Bro I hit him like 10 times and it did no damage! Fucking dead hitmarkers!