a portmanteau of "sarcasm" and "radar", refers to the ability to recognize sarcasm in
conversation. Similar to the
use of "
gaydar" (the ability to recognize someone's homosexuality)
Guy 1: Miryssa's
cute, but she's kind of a ditz.
Guy 2: I know. But it's hilarious when she thinks
people are actually
mad at her when they're just being sarcastic.
Guy 1: Yeah, her sarcasmdar is totally defective.