When you take a good look at something.
Mikey: Hey man, did you see the new poster?
Bob: I had a quick look.
Mikey: What? I need your OK on it by Wednesday!
Bob: Alright, alright I'll take a look at it.
Mikey: By When?
Bob: By Wednesday Morning.
Mikey: Promise?
Bob: Yea, man.
Mikey: Ok.

Later that day...

Mikey: Hey Bob, have you had a look yet?
Bob: No not yet.
Mikey: Come on, man!
Bob: You're really becoming annoying.
Mikey: Dude, I just need you to look at the poster.
Bob: Ok, I'll take a proper gander at it right now, and get back to you.
Mikey: You'll what? Propaganda?

Bob: No, I said I'd take a PROPER... GANDER... at it and get back to you.
Mikey: WTF does that mean?
Bob: It means I'll take a good look at it.
Mikey: Why didn't you just say that?
Bob: Cause we were making an example for Urban Dictionary, and we had to use the word in it.
Mikey: Makes sense.
by Mikey The Comic November 29, 2010
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It means to "take a look at."

Not "to take a guess at."
Take a gander at that link I sent you when you get a chance. I think it'll really knock your heckin' socks off tbh.
by Lessen August 10, 2018
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1. A real piece of shit; totally worthless.
2. Slacker, loafer.
My glass piece is entirely cup and gander, not even a homeless man would use it too smoke the dirtiest rock ever.
by punisher December 17, 2004
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Surprising someone with a thumb up the butthole when they're not looking, while exclaiming, "goose is a gander!"
Tiffany: "What the hell are you doing back there?"
Nora: "Goose is a gander!"
by norandtiff January 26, 2011
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When a gander isn't good enough for the young male, he initiates a greasy gander. He reaches under his pillow and grabs his war paint, while whispering "a gander is afoot". Upon equipping the war paint to his now partially naked body, paying particular attention to the arse and general arse-area (on the arse, not in the arse!!) the young buck then makes it his mission to sneakily spy on fit birds all evening, without being compromised (Usually from bushes or behind curtains). Once the greasy gander is underway, not even spanking the "greasy badger" would be enough to stop this act of high level pervery on fine young women.
Steve says to Mike: Hey Mike, I'm off down to the shops do you wanna come?
Mike: Yeah, so long as we can pass the netball courts; I fancy a queer Greasy-Gander Mr Steve.
Steve: Alight Mr Mike, let me just finish up spanking this greasy badger and I'll be right with you.
... Some moments pass
Steve: *now donning a tophat and monocle* Could I have a hug Mr Mike?
by deltaforce_dfb February 20, 2019
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proper-gander: the art of relentlessly searching for something important which has gone missing, been misplaced or the current where-about's is unknown.
"Hey has anyone seen my wallet I can't find it anywhere!"

"Are you sure you can't find it, have you had a

proper-gander?"
by Torpedo_74 December 18, 2010
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The act of browsing with one's hands.
"Hey, Theodore, what is that sticking out of your pocket?"
"Well why don't you come over here and take a hand-gander?"
by TheLolmighty January 10, 2014
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