Especially in Ontario, the capacity of the cardboard case purchased from an Ontario Beer Store; there are TWENTY-FOUR bottles (not cans) in the case.
Doug: hey Bob, it's your turn to go to the Beer Store, to buy a Canadian two-four -- while you're up, get me a L.I.P. grant and some Canadian, of course bacon.
by Canadian consumer of beer February 8, 2010
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Noun.
Plural: Canadian Two by Fours.

Definition: Two 4x4 posts bolted/screwed/glued together, to make a single approximately 4x8 board. Invented by a Canadian contractor working on a very overbuilt deck.
This section is supported by Canadian Two by Fours, so it's not going anywhere.
by Scarab November 29, 2004
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