Horny; dealing with all thoughts of sex and its fantastic acts.
"I was so sinful last night that I almost had to change my panties," my friend Jackie would say.
by foxxylady May 14, 2006
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Guy 1: Where were you?
Guy 2: In the bathroom.
Guy 1: You are going to hell.
Guy 2: Why?
Guy 1: Because that's a sin.
Guy 2: Aw...
by ellometal November 3, 2009
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Seattle-based goth-rock band The Sins emerged in 2000 as "NightMare Boy and The Seven Sins," a post-punk entity inspired by early Brit-pop bands such as Sisters of Mercy and The Mission, U.K. (as well as American rock legends ranging from Danzig to The Doors). Changing their name to simply "The Sins" in 2001, the band has consistently captivated audiences throught the Northwest with dynamic stage presence, vigorous showmanship, and strikingly powerful songs. With members from various backgrounds and disciplines (including a jazz-influenced live drummer and a classically trained violinist), The Sins boldly paved their own musical path, combining the familiar sounds of the British punk past with their own edgy rock influences and ideas.

The Sins have 2 full-lenth albums released on SINister Records, "The Beginning" (2002) and "The Last One Kills" (2005).
by ultima necat March 16, 2006
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literally just @sinfulserpents account on tumblr lol
by itshowdytime September 16, 2019
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Put ˢᶦⁿᶠᵘˡ sinful infront of your name to represent ZeroDayz.
Rascal: wicked!!1!!!1111!
Retro: :sunglasses:
Anti: i wouldnt want to mess with a nigga named PogChamp
ˢᶦⁿᶠᵘˡsinfulPoggers
by Retro#6666 July 22, 2020
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Acronym for "Sorry, I'm not sorry"

Generally used with "bitch" as in "sins, bitch!"
Screw someone over deservedly, and when he or she protests, you reply "sins, bitch!"
by DSI2012 July 22, 2012
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