cold mold
Cool school.
Thin inn is the hink pink for skinny hotel.
The hink pink for "boy's test" is "lad's quiz."
lathering gathering is the hink pink for a group of men shaving
Dark ark is a Hink-Pink for Noah's boat with the lights off.
"Man pan" is a hink pink for male pot or masculine skillet.
I've read a lot of these. The possibility exists that the question confuses chilly place to learn (cool school) with cozy place to read (book nook). If you really meant chilly place to read, ask the question again.
The hink pink is clean teen.
cold mold
cold mold
pink mink
"Ground mound" is the hink-pink for "dirt heap."