Squilly is a person (usually named will or William) who is an overall goofball and not your average person. Use this word to ridicule and abuse them.
Ey what’s up squilly

You’re so stupid squill
by Squillmaster January 23, 2020
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1. Badass to the triple power.

2. Shittiest shit of the shit. Making you want to vomit yorkie shit all over George Washington's dick.
1. Awwww shiet, dat Mama Mia is sooooo squilly.

2. Cuh, your beer pong skillz are the squilliest i've even seen.
by Talisha Fonz December 12, 2009
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Squillys squill.
Squilling is gay.
Therefore, Squilly is gay.
Aww cmon.. Squilly squill'd again -.-
by dicksdicksdicks69 July 26, 2012
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The name you call your friend will in a warzone game .
They are over here Squilli mcdilli .
by Wille225 May 19, 2021
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A very weird person. You can usually find them in a cave, crawling towards you growling and making weird noises, eating anything they find on the ground, or running around like they are on crack. But all in all they are a fun person to be around and you are lucky to know one.
Hey yesterday I met the weirdest person.
Hey it must have been a Squilly Squilliam
by Squilly Squilliam July 31, 2016
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to smoke some pot
Dude today was so shitty, when I get home I am totally gonna pop some squillies
by Choadle March 13, 2019
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