In western Canada this refers to any piece of lumber. It doesn’t have to be strictly two inches by four inches (Canada does use the imperial system in construction).
“We’re gonna build a treehouse. We just need some two-by-fours and a hammer and some nails.”
by JFrancisF April 24, 2019
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Two two four, 224, 2-24 is used in reference to having sexual intercourse with 2 different people in a 24 hour period but not together.
sleeping with one girl in the morning and a different girl at night. Last Wednesday was so great, I ended up having a two two four with the girl from English class and the bartender at the pub.
by Dirt_bag_dan_85 January 16, 2014
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A skinny woman who was no breasts or ass.
Your girlfriend is like a two by four, skinny and flat on both sides.
by bfb August 23, 2012
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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 30, 2004
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Fatty Fatty two by four, is a rhyme that you may use to insult someone or share with your friends in a group circle.
Fatty Fatty two by four fatty couldn't get through the bathroom door, so he shit on the floor, wiped it up and did some more.
by Kapten the Skull Faced G-Shep November 2, 2013
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Canadian term referring to a case of beer containing twenty-four bottles.
We went camping with a two-four of Blue and got right ripped. Beauty.
by montrealdude November 25, 2003
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