RICHARD: Liesl … Our East-German maid. She was much more masculine-looking than me.
LORELAI: Right, the muttonchops.
Mutton chops, extravagant sideburns that are grown down to the chin, as favoured in the 19th century. You can see from the photo of Liesl that she had nothing of the sort.
The Annotated Gilmore Girls 