A stupid come back to someone calling you a half-hard. Same meaning as calling someone a "retard", is less offensive but will make you sound like an idiot.
Jonathan: "Hey bro, you're a half-tard!"
Jerry: "Well you're a full-tard"
Jonathan: "Bro WTF owo"
Jerry "Hey at least it's less offensive than calling you a retard or a fucktard"
Jonathan: "That is very true my friend"
Someone who is blonde that is a dippy and usually is the center of attention in your group of friends .
That person at your party last night was such a dippy tard.
A tard bomb you know it if you do
“Sierra snowman Is a tard bomb”
When someone forgets something they themself's told you about
Luke: hey man whats that Av u use,
jaz: Avast
Luke: oh yeh i told you about it..
jaz: Lol remo-tard
A synonym of played. Used to make a stupid decision and play it on someone else.
You just got tardded on, goodnight.
Somebody who thinks e-tolls are cool
The e-tard was dutifully queueing to pay his e-toll bill
One who is dumb with technology.
Joe: Hey man I can't forward this pic of a Hot Karl
John: Give me your phone you're such an e-tard