Similar to radar or gaydar, but for red heads. The uncanny ability for redheads to know everything about each other.
by Little Debbie2 October 28, 2017
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 19, 2007
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