It's a funky, freaky, long kinky hair on a random part of your body that looks like it belongs on your ass.
Damn, pluck that Fergie on your forearm!
A girl that kinda looks like a man but shes still hot
Is that a man?
No it's a fergie. Shes hot
Dirty fergy- when a man urinates inside a woman during sexual intercourse
He gave me the dirty fergy last night