A sixpack that has slowly disappeared due to less exercise caused by adulthood responsibilities.

High school athletes are highly susceptible to this once they enter their undergraduate year of college, trying to find time to study and workout. Ultimately, the student who chooses to study over working out develops a flatpack.
Dude I used to have a killer sixpack, but I'm stuck with a flatpack now that I have to adult.
by Lercules November 2, 2017
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A small Chinese,Vietnamese or generally asian kid that is brave and loves rugby.Has potential as a back or flanker and either uses steps or is very fast.Normally dirty minded but is a good friend that will back anyone.Very talented at all sorts including sex,music,art and sports.
by hackerpro June 13, 2012
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The Process of Putting Flat pack furniture (think IKEA) back into its original Box

The process of Un-Flatpacking is removing flat pack furniture from the box and forming it into the product.
Hey Man, I'm moving house, want to help me with some flatpacking? I have an Ikea desk and the original Box
by IkeaSwede September 3, 2012
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A painful condition - sometimes lasting many days - that often appears halfway through the attempted assembly of flatpack furniture. It can be avoided with the use of an electric screwdriver.
When I made my son's new bed - by the time I'd got 15 screws in, I had flatpack palm - it wrecked !
by DJ Jaybee September 9, 2004
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shaking like a flatpack wardrobe
(sim). descriptive of the female
equivalent of vinegar strokes.
I knew I had hit the right spot when she was shaking like a flatpack wardrobe
by C February 24, 2004
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A pack of cigarettes that have been flattened by a person who has carried them around all day in a back pocket, also known as a flatpacker.
by Angie Says So June 6, 2015
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