people who plays Juke's tower of hell (a roblox game) who goes to a specific video of a song used in a tower and say something related to it such as "You have to beat ToNS" or "Oh you're on floor 2 ToCP?"
"Tower of Nervous Sweating final stretch" "Ohlook! Its a jtard!
Jettard is a word that has developed its use from the freeware game Tremulous, in which a member or multiple members of the humanteam (usually noobs) grab a jetpack and generally accomplish nothing while in the air.
"that jettard tried to saw a goon in mid-air, what the hell was he thinking?"