sarcasmometer 

One's internal sarcasm detector.

Guy 1: Dude, that riced out Civic is so bad ass. I've gotta get one of those and make it look just like that.

Guy 2: Yeah, that'd be cool.

Guy 1: I wasn't being serious, man. Your sarcasmometer must need calibration.

sarcasmometer by Nemesis302 June 21, 2005

sarcasmeter 

A fictional device used to detect sarcasm.

Person 1: Miley Cyrus is so talented!
Person 2: WTF, no way.
Person 1: Wow, I think your sarcasmeter is broken.

sarcasmeter by YellowyEyes August 28, 2008

sarcastometer

A meter of how sarcastic you are.

My sarcastometer tells me that ice is cold.

sarcastometer by FeistyPisces93 August 25, 2014