A woman that looks like a 16yr old from the back but actually looks like a 64 yr old from the front
Guy: "That girl over there alright?"

Friend: "Nah mate she's a 1664"
by Bapdaddy April 21, 2006
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Could well have been a bad year for many things, but Contrary to the adverts, a VERY bad year for beer. The legend goes that in this tragic year someone took a slash in a bottle, and a poor peasant with no taste buds found it and proclaimed it to be beer, from then on the bloke who'd pissed in it in the first place decided he was on to a nice little earner...
Moronic advert narrator: '1664, a bad year for composing, a good year for beer'
Me: 'LIAR!'
by The_Guru October 25, 2006
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When you're checking out a girl from behind you can see her legs, her arse and her hair. She looks like a 16-year-old. She turns around and you realise she's actually 64. You have to wash your eyes out with soap.

Loosely connected to Kronenberg 1664's 'a bad year for composing a good year for beer' adverts. Not sure how though...
'Mate - check out that bird she's...oh my god!!!'
'Yeah - 1664 syndrome, never mind'
by geofferz March 31, 2006
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When you're checking out a girl from behind you can see her legs, her arse and her hair. She looks like a 16-year-old. She turns around and you realise she's actually 64. You have to wash your eyes out with soap.

Loosely connected to Kronenberg 1664's 'a bad year for composing a good year for beer' adverts. Not sure how though...
'Mate - check out that bird she's...oh my god!!!'
'Yeah - 1664 syndrome, never mind'
by geofferz April 4, 2006
Get the 1664 Syndrome mug.
A kronengourg a.k.a 1664 is a woman who looks 16 from the back but 64 from the front.
Her at the bar was in last night, she is a proper a kronenbourg a.k.a 1664.
by Duke smurf June 13, 2021
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