Have a bun in the ___
I believe the answer is:
oven
(Other definitions for oven that I've seen before include "Compartment for baking" , "A hot place" , "Furnace, kiln" , "You can cook in this" , "It may get very hot" .)
I believe the answer is:
oven
(Other definitions for oven that I've seen before include "Compartment for baking" , "A hot place" , "Furnace, kiln" , "You can cook in this" , "It may get very hot" .)