frundish 

being a fiend, doing something in excess, showing animal like qualities

"OMG you just ate 76 hot dogs, that was frundish of you

frundish by Billy Bob November 14, 2004

Frunlishy 

That one friend who gets really drunk or high and tells all your secrets to everyone.

"Oh my god! Miranda just told Mike I had a crush on him! She's such a frunlishy!"

Frunlishy by Mitser Positive Doctor March 30, 2014