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2.
the hipster way to say "my dick needs fucking"

often thrown into random conversations
"hey joe whats up"
"MDNF!!!"
"WTF does that mean?!?!"
"oh; you know ;]"
by Simpy April 26, 2009

Words related to mdnf

dick fuck fucking lonely sex
 
1.
Taking a "massive" dump and not flushing it. Massive Dump, No Flush
I took a MDNF in the CEO’s private bathroom.
by Nathan November 09, 2004