Flagnogg can be used to describe that giddy feeling you get when you and your friends start randomly laughing over nothing or you can use it as a cuss word. You can also describe a perfect sunny day as a flagnogg day. These days are usually spent outside.
FLAGNOGG! That hurt so bad!
Hahaha I'm so flagnogg rn!! Hahaha
Wow. What a flagnogg day it's been.
by Grandmagotranoverbyareindeer December 13, 2016
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n.
usually replaced for WTF?
meaning what the fuck?
Girl; what the fuck happened?
Guy;no! now we say what the flagnogg.
Girl;ohh ok.then what the flagnogg happened?

meaning;
What the flagnogg?
by Blondie_Cheese March 31, 2009
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