Top Definition
When one is in a depressed, and/or anxious mood that can be coupled with being home sick or heart broken. Very similar to the funk that Vinny was in on Season 5 of the Jersey Shore.
Ralph: What's wrong dude?
Steve: Man, I texted the girl I like last night and she gave me the friend zone response....I've been in a vinny groove ever since.
by TheNation7 January 15, 2012

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