A way of warning people that a retard is present in the vicinity. Can be either verbal or typed. Used primarily on forums when someone says something so incredibly ignorant or stupid, you simply cannot believe it.
Noob: THE GP2X IS BETTER THAN THE PANDORA
forum member: ...The Pandora isn't even out yet......
another member: Oh god, RETARD ALERT!
106π 25π
What ur teacher will say after u said something wrong
Kid: stfu! 09P
Teacher: uh oh, retard alert!!!!
7π 2π
When your friend is being an absolute retard and you say βUh ohh , Retard Alertβ because they are being a fucking retard like what a re
(Person fucks their diseased grandma). βUh oh Retard Alertβ