In the weeds - So far behind (server or cook) that catching up is just about impossible.
Take a chance or Gambler’s in the house - hash
Campers - customers who just won’t leave
Two on a raft, wreck 'em – 2 scrambled eggs on toast
Bubble dancer - dishwasher
Moo juice - milk
Cremate - overcook
Fish Eyes - tapioca pudding
On the hoof - prepared rare
Blue plate special - an inexpensive, full meal
“86” (cancel/hold/leave out…)
Hebrew enemies - pork chop From a 100-word/phrase (1930s?) WPA list of “NY Soda-Luncheonette Slang and Jargon,” published in Kurlansky, Food of a Younger Land.
[Nitpick: #2 and #12 are still normal kitchen words; #11 lives on, sort of, ironically in some kitchens.]
New:
The most expensive food (not wine) you’ve splurged on to cook at home, as a single item (ie not 15 steaks for a party).