A phenomenon that occurs when your friend's boyfriend is shittier than a homeless man on Ex-Lax and therefore makes anything your own boyfriend does look like Jesus walking on water in comparison. Inadequate in general, but especially in the bedroom.
Examples of the Keith Effect:
Girl: Oh, honey, you got me a burning bag of dog shit for my birthday? You're so sweet, unlike that Keith guy!
Girl: Oh, honey, you remembered my name! God you're wonderful!
Girl: Oh, honey, I'm so glad you've only cheated on me fifteen times; I heard that Keith guy cheated on his girlfriend a hundred.
Girl: Oh, honey, you got me a burning bag of dog shit for my birthday? You're so sweet, unlike that Keith guy!
Girl: Oh, honey, you remembered my name! God you're wonderful!
Girl: Oh, honey, I'm so glad you've only cheated on me fifteen times; I heard that Keith guy cheated on his girlfriend a hundred.
by alittlebirdvacuum July 7, 2011
Get the The Keith Effectmug. when one becomes angry or uninterested in something because everyone else is doing it, loving it, sharing it, hyping it, etc.
George became a victim of the hipster effect when he couldn't watch Game of Thrones because everyone else was so excited about it. George became furious and would often act out in internet posts.
by Kemystboy June 11, 2013
Get the Hipster Effectmug. The law of physics stating that, if one girl screams for something, it will make other girls scream, and then it grows exponentiously until all girls within a five-mile radius are screaming.
Girls don't really like One Direction, but they go crazy when it plays on the radio due to the Garmlich effect.
by Hnery Derpington III February 21, 2017
Get the Garmlich Effectmug. I sat-down to take a dump on the toilet in the Chicago airport, and I had barely moved forward when suddenly it flushed and I was a victim of the bidet effect.
by SluggoBear December 15, 2008
Get the bidet effectmug. When you hear a person sing, and their voice is so beautiful that they suddenly become extremely attractive, even if you didn't think so before. This is applicable to women or men with sexy voices, even though sirens are technically female.
This phenomenon is named after the lusty, half-bird, half-woman sirens of Homer's "The Odyssey." They beguile sailors with their seductive serenading, only to bring the poor individuals to their deaths. The siren effect uses singing to deceive (albeit unintentionally), having the potential to give average-looking persons a façade of sexiness, "luring" others in.
For instance, this is the reason (or one of the reasons) the Phantom in all musical productions of Andrew Lloyd Webber's "The Phantom of the Opera" always manages to be sexy.
This phenomenon is named after the lusty, half-bird, half-woman sirens of Homer's "The Odyssey." They beguile sailors with their seductive serenading, only to bring the poor individuals to their deaths. The siren effect uses singing to deceive (albeit unintentionally), having the potential to give average-looking persons a façade of sexiness, "luring" others in.
For instance, this is the reason (or one of the reasons) the Phantom in all musical productions of Andrew Lloyd Webber's "The Phantom of the Opera" always manages to be sexy.
Broadway Fan 1: "Oh, my God, Ramin Karimloo is so sexy, even when he's playing a deformed man!"
Broadway Fan 2: "I completely agree, and the siren effect just adds to it. That voice is so seductive!"
Person 1: "Man, Sarah Brightman is so beautiful!"
Person 2: "I don't know, man. I think it's the siren effect."
Person 1: "Well, maybe it's both."
Student 1: "You know, I never found Matt that attractive before, but then I heard him sing. I think I'm in love!"
Student 2: "I know, right? It's a perfect example of the siren effect."
Broadway Fan 2: "I completely agree, and the siren effect just adds to it. That voice is so seductive!"
Person 1: "Man, Sarah Brightman is so beautiful!"
Person 2: "I don't know, man. I think it's the siren effect."
Person 1: "Well, maybe it's both."
Student 1: "You know, I never found Matt that attractive before, but then I heard him sing. I think I'm in love!"
Student 2: "I know, right? It's a perfect example of the siren effect."
by AnIrishGirl December 12, 2013
Get the The Siren Effectmug. by Dis Cleavage Tho October 13, 2017
Get the Sound effectsmug. It's the unsettling feeling given to others by a man who has removed his facial hair and who, as a consequence, looks strange and unfamiliar. It is often intensified by any one, or more, of these: a weak chin, thin lips, or a strongly cleft chin.
When I shaved my beard off, my girlfriend stopped putting out. She blamed it on work stress, but I think it was the Will Riker Effect.
by chinmusic78 December 9, 2012
Get the Will Riker Effectmug.