Make superficial changes to something bad/ugly in a fruitless effort to improve it
Just between us
"Let's talk in the back 40"
An offer that is foolishly accepted without first being examined
"That makes as much sense as government cheese"
"[To tell someone] how the cow ate the cabbage"
"Make hay while the sun is shining"
"A pig in a poke"
To tell someone the unvarnished truth
"Put lipstick on the pig"
"You, me and the fence post"
Let's talk in private
Seize the day
That makes no sense
