Top Definition
Adjective: 1. mildly insane

2. unpredictable and jumpy, often in a cowardly way

3. nutty; resembling a squirrel looking for nuts
I read about some squirrely guy, who claims, he just don't believe in fightin'.
And I wonder just how long, the rest of us can count on being free.

-Merle Haggard
by viciousvogel November 03, 2009

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Used to describe someone of questionable character.
I wouldn't give my money to that dude he's kind of Squirrely.
by Mojo Maniac July 14, 2008

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When a person loses his or her mental stability. (A variation on going nuts or crazy)
Right after the couple broke up, she got all squirrely.
by Gesso March 16, 2007

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The state of mind in which one feels energetic, crazy, and hyped. Often coupled with a temporary loss of sanity.
Guy #1: "Hey, what's up, guys?"

Squirrely Guy: "supbrowhat'sgoin'onsup!"

Guy #1: "What?"

Guy #2: "He's already a tad squirrely."
by StoopNut December 11, 2010

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A girl who "gathers" nuts (men) and stores them for when she's hungry.
Hmmmm I wonder which nut the squirrely girl will take home tonight....
via giphy
by GETYANUTSSQUIRREL December 07, 2015

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Thou that is resembling a squirrel in looks and or actions.
"The way you picked up those acorns was rather squirrely."

"That picture of Taggart makes him look so squirrely."
by Glitterman;D November 09, 2012

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When you're driving down the road and see you a squirrel dart into the middle of the street. Despite the fact that the car is coming, you don't know what the squirrel is going to do. It could dart to the right or it could dart to the left. It could stay there or it could run towards you.
Jake is so squirrely.

That squirrely bitch tried to steal my drink last night.
by coolcat454 May 16, 2011

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