An Austrailian type of knapsack, that one might use to carry a large amount of survival gear for a long journey.

A place for storing stolen livestock, as immortalized in the song "Waltzing Matilda".
"I've got a 2-week supply of beer in my tuckerbag, mate."

"Where's that jolly jumbuck, that you've got in your tuckerbag?!"

by Wediditforreggie January 25, 2006
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A woman with an attractive body, but an unattractive face.
That woman is such a tuckerbag.
by Mr. Blake December 19, 2006
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A girl with a good body but a rather unfortunate face that must be covered with a brown paper bag in order to successfully engage in coitus. In reference to the now defunct Australian supermarket chain 'Tuckerbag' whose mascot was an animated brown paper bag.
So are you going to fuck her?

I would but she's a bit of a Tuckerbag
by Dirtysanchez4urmum December 10, 2017
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