To wear your birthday suit to your mother's funeral and spasm on her corpse like a fish out of water.
Guy 1:"Dude, did you see that guy at Cecilia's funeral?"
Guy 2: "Yeah dude that was rank, can't believe he Declan'd her!"
by Shanulio Noodlenan May 25, 2016
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A chubby person who loves food and is angry when not given, he loves men and fortnite and is a big virgin
Katie : Declan I will not give you food!

Declan : ‘roars in rageGIVE ME IT
by THEMUFFINMANISFUN June 1, 2019
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Hipster, typically from Snodland/Halling and goes to Equador to do aid work. He wears girls jeans and clothing made from his Nan's curtains. Has an Experiemental relationship with Alex. He is short and skinny and a wuss.
That guys weird ,he is a Declan.
by ElisElisE2Elisha157773 October 19, 2017
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A pussy ass bitch that thinks it's swole just because he goes to Kennedy and does core everyday
You should stop doing vote you're turning into a Declan
by EagleI150 February 21, 2017
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A boy who is large and kind. But can be annoying sometimes. He is the kid with the most dirty minded friends ever. He will repeat the same meme over and over again and then it is not funny any more even if it wasn’t funny to begin with. He is the kid to know everything in the subjects no one is good at and terrible at the subjects everyone is good at
Declan Irish saint
by Duckidiot November 9, 2019
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the sexiest guy you will ever meet he has the biggest penis you will ever see and gets all dem girls
wow Declan is sexy
wow Declan has a big peen
by Declantheduck February 25, 2019
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