red hatter 

Woman over the age of 50 who is determined to be happy and doesn't give a rat's ass what anyone else thinks.

Old Lady Richards tore up our garden because she doesn't like bees ... she's such a red hatter.

red hatter by ringlass January 31, 2005

red hatter 

Someone who uses Red Hat Enterprise Linux.

I am a red hatter now

red hatter by 0xC4aE1e5 May 9, 2023