the act of getting way too drunk and receiving a lap dance from a stripper that is making you so dizzy you then vomit on the stripper
"i cant believe he gave that girl a dirty fergy!" "yea he threw up all over her!"
by ahailofgunfire June 30, 2013
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Is when you crap in a toilet that has yet to be installed or is just being stored.
After my brother poured a coke on my head at my nephews 1st bithday party,I went into his garage and left a dirty fergie in his future throne.
by Uncle Mongoose August 30, 2005
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Is when someone else left the shop bathroom in such a stench and mess, you go into the closed down office ladies room and drop a deuce in a toilet that's been turned off because of a broken pipe.
Worker 1: You went in the girls room up front? That's been closed for six months because of that broken pipe!

Worker 2: Well now their not using it for at least a year after I dropped that dirty fergie "office style" on them!
by unlemongoose September 17, 2009
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Dirty fergy- when a man urinates inside a woman during sexual intercourse
He gave me the dirty fergy last night
by Fergberga May 24, 2022
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