mingleberry
(noun).A person who clings to you at a party or other event where one likes to mingle preventing you from full attention of the opposite sex.
(verb).the act of clinging to someone's ass so close as to interfere with their ability to mingle unencumbered.
(noun):"there's some real good looking skank here tonight bro, but my girlfriend won't stop being a "mingleberry".

(noun):"yo, I invited you to this bar to show you where some action is, but yo gots to stop being a "mingleberry" and go find your own bitches".

(verb):"Look Sheila, If you can't keep your paws off all the dudes tonight I will "mingleberry" your ass so quick........