Person 1: did you hear,Stacy drowned last week
Person 2: smh, regulus behaviour
by Your average bitch December 26, 2022
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Behaviour that is of a one that has done something extraordinarily debaucherous.
1) Buying party drugs for an entire group of people and then doing them all by yourself in one sitting = hero behaviour
2) Hooking up with a stripper and getting her pregnant = hero behaviour
by Burt Damascus August 22, 2013
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When individuals who act in a degenerate manner to the point there they begin to lack morals.
Luigi(atheist): There’s nothing wrong with incest and bestiality.

Harun: This is godless behaviour.
by dzemana March 23, 2022
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Whenever someone constantly makes you the topic of their conversations and/or statements.
Girl: *continuously makes TikToks about ex best friend*
Ex best friend: Wow, what fan behaviour
by traipsedup3 May 12, 2021
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When a person acts in a rediculous and inexplainable manner, often followed by a rediculous laugh that sounds like a small animal taking it's last gasps of breath.
Rachael acts like such a flange!!

Rach you have Flange Behaviour in the evenings!

Rach, cut out the Flange Behaviour please. you fucking flange!
by tommyseal January 25, 2012
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A phrase popularized with the game Elden Ring, used to call out incels.
Virgin hentai addict: NTR is amazing and you guys just have trash vanilla taste!
Chad porn consumer: Maidenless behaviour
by Walnoot March 27, 2022
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