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1.
A character on the British comedy show, "The Mighty Boosh". He appears in the episode "The Legend of Old Gregg", and lives in a cavern at the bottom of Black Lake along with The Sea Funk His creepy, disconcerting style is reminiscent of Hobbs. He also has a mangina.
"Do ya want some Bailey's?" - Old Gregg
by grep-top March 02, 2006
 
2.
A scaly man fish from The Mighty Boosh season 2. He lives in Black Lake, and shows people his mangina.

He likes to drink Baileys from a shoe.
"I'm Old Gregg"

"Some say he's half man half fish, others say he's more of a seventy/thirty split. Either way he's a fishy bastard"
by Vince_Noir April 17, 2008
 
3.
A girl who falls in love with guys too quick. She is usually in love with them after the first date or sometimes even before. She constantly asks "Do you love me?" or "Do you think you could ever love me?" She has a nasty downstairs mixup.
"She asked him if he loved her and they've only been on one date."
"I heard she farted right in front of him."
"She's Old Gregg."
by alabamafan4ever December 29, 2011
 
4.
A scaly man fish. He's in The Mighty Boosh, Series 2, episode title "The Legend of Old Gregg". Has a mangina. Drinks excessive amounts of Baileys - from a shoe. Likes clubs where people wee on each other.
I'm Old Gregg
by thebee793 February 15, 2011