Top Definition
A makeshift raft consisting of equal parts bread crust, twig and leaf (crust = hull, twig = mast and leaf = sail).

Construct as following; attach the leaf to the twig by piercing the leaf at both ends and sliding the twig through each hole. Attach mast to hull by piercing crust with twig / leaf so as to stand perpendicular to the crust.

Give your vessel a name and watch in delight as it sails out towards bewildered ducks who may, or may not take a bite.
Dude, want to go feed some ducks?

Hell's yeah son, I'm gonna break out a crust boat.
by the limey December 24, 2008
5 Words related to Crust boat

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