Having sex with an unattractive woman, most likely brought on by alcohal consumption.
Dave got really drunk last night and ended up slaying the dragon.
by _LG_ January 23, 2006
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v. The act of having sex with a fat chick
Guy 1: I heard Todd is getting lucky in the other room
Guy 2: It's no big deal man, he's just slaying the dragon.
by Dragonslayer69 June 29, 2012
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A term used for calming down one's significant other if they are acting irrational, casting allegations or generally nagging to no end about anything
Sorry that I'm late fellas. I was home slaying the dragon as my girl saw Samantha's Facebook post on my wall earlier today!
by Thechriseco December 1, 2011
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V. When one pees in each urinal and stall in a bathroom during one trip
Man, Chad is so good at slaying the dragon. I heard he's done it in every bathroom in the school.
by Gidzhead July 28, 2013
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1. The act of sleeping with an unattractive girl in a time of need
2. What one must do a lot of on the heroic quest to find one's princess
Matt: they say you have to slay a few dragons before you meet your princess well I've finally found my princess
Pete: dude! did you seriously just talk about slaying the dragon in your wedding speech?
by Pillowman February 14, 2016
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Having sex with a girl on her period.

When your done you look down at your cock and it looks like you just won an epic battle between you and your bloody mistress.
Sara told her man she wasn't sure if they should be having sex that night since she was on her period. He told her he's up to Slay The Dragon ;)
by The_Sex_Addict February 27, 2011
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