A rapid interest in something followed by an immediate loss of interest; a short lived trend.

Metaphorically, like the Doppler Effect: sirens coming closer and getting louder, and then decreasing just as quickly.
Guy 1: What ever happened to the guy that did that song Gangnam Style?

Guy 2: American interest in a Korean pop star? Total siren slide...
by Duckspeak Begone October 5, 2012
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An American post-hardcore band originating from Orlando, Florida. The band consists of five members, the bassist: Justin Hills, the drummer: Gabe Barham, the rhythm guitarist: Jesse Lawson, the lead guitarist: Jack Fowler, and the vocalist, insanely talented Kellin Quinn. This band, thanks to their latest album Feel, are rising fast in the music industry and hopefully one day claim global dominace.
"You heard that band, Sleeping With Sirens?"
"YES OMG KELLIN OMG OMG"
"There are other people in the band too, you know..?"
by RyanZ July 10, 2013
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A freaking scary video game involving Japan, psychic ppl and the dead.
The freakiest game for PS2 is definatly Forbidden Siren, dude!
by Zaffi April 14, 2004
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A Civil Defense siren made in 1952.

Models
Thunderbolt 1000: single toned chopper that can do Alert and Attack signal
Thunderbolt 1000T: a dual toned version of the Thunderbolt 1000
Thunderbolt 1003: a dual toned chopper with solenoids that gives it the ability to do the Hi-Lo signal
Thunderbolt siren
by tigerclaw64 September 15, 2013
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An obese female that perches on rocks relaying earth shattering high-pitched wail of torment that carries on for a period of not more than it takes to deter the gaze of a full-grown adult male, after being spotted in a compromising state of undress.
OHMYFUCKGOD ROY, LOOK AWAY FROM THE CHUBBY SIREN!!!!

* immense deafening wailing heard in the background
by posidon1987 February 15, 2012
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Type of snoring that is loud enough to wake the dead. Also referred to as a zombie siren as this type of noise attracts zombies and the undead alike extremely fast.
So, the roommate is pretending to be a zombie siren in his sleep, I went to get my headphones but left my phone to play music on, sigh.
by labmixz December 11, 2012
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