mdnf
Taking a "massive" dump and not flushing it. Massive Dump, No Flush
I took a MDNF in the CEO’s private bathroom.
mdnf
the hipster way to say "my dick needs fucking"
often thrown into random conversations
often thrown into random conversations
"hey joe whats up"
"MDNF!!!"
"WTF does that mean?!?!"
"oh; you know ;"
"MDNF!!!"
"WTF does that mean?!?!"
"oh; you know ;"