A redar is similar to gaydar but instead of detecting gays, it detects ''retarded'' people. Retarded in the sense of an idiot or somebody saying/doing an idiotic thing.
by mr. lucky 13 September 20, 2007
Similar to radar or gaydar, but for red heads. The uncanny ability for redheads to know everything about each other.
by Little Debbie2 October 29, 2017
Bro: yo I’m telling u that dudes retarded
Other bro: how can u tell
Bro: my redared is spot on always
Other bro: how can u tell
Bro: my redared is spot on always
by Bryce Petrie February 24, 2019