When you don't understand something and you are super pissed.
When you don't feel like saying "fucking understand"
When fucking understand just doesn't quite display the needed emotion.
When you don't feel like saying "fucking understand"
When fucking understand just doesn't quite display the needed emotion.
"I don't underfuckingstand why your acting like this"
by Desiree Aho December 23, 2007
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underfuckingstand - Understand, with "Fucking" inserted in the middle, making it an exclamation of frustration or, in some cases, a joking statement.
by Steve October 24, 2004
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