old hat 

out of fashion or obsolete

bell bottom jeans and elevator shoes were considered old hat at one time, but now they're back in style.

old hat by polo June 7, 2005

old hat 

Something so well known and established that its practice isn't anything novel or interesting.

Knock knock jokes are rather old hat nowadays.

Picking up girls at clubs is old hat for him.

old hat by tehdang February 14, 2014

old hat 

Refered to when something has been brought up, or posted on forum multiple times.

"this is such an old hat, find something original"

old hat by Chris February 14, 2005

old hat 

Vulva or vagina, esp. of a lady the senior side of 35. Popular term in the Victorian era.

Be careful dismounting that boneshaker, Delilah, lest the world and his dog see your old hat.

old hat by Jonny Firepants February 27, 2014

old hat 

A previously worn condom.

I couldn'y find a new one, so I used the old hat from last night.

old hat by Brett Calvin September 30, 2006

Old Hat 

An little old woman in a HUGE old car wearing a big floppy hat, the hat is about all you can see behind the wheel of the gigantic car.

Be careful when traveling the Garden State Parkway down the shore, you're sure to run into an old hat or two!

Old Hat by bigredchevytruck June 9, 2009

old hat 

someone that is a bit emo. could possibly be a lesbian, due to quirkiness. loves panic at the disco. has never read "where the wild things are", and plays bass for rockband.

That girl Maegan, she's old hat! Just look at her!

old hat by kmania November 15, 2009