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1 definition by umbilical

 
1.
One part of a pair that is so close that it seems as though sometimes they are attached by an umbilical cord

Umbies - the pair of people who are practically biologically attached
"God Margaret and Max are always together, they need to cut the fucking umbilical cord"
"No its ok, they're totes umbies and we've all learned to accept it."

"Wow, I'm surprised to see you without your umbie"
by umbilical August 12, 2011