who knows what
who knows what
One or more things described with no detail. Our junk drawer has old remotes, instruction manuals, and who knows what else in it. You're supposed to be doing your homework, but instead you're slacking off and doing who knows what!
See also: know, what, who
Farlex Dictionary of Idioms.
who knows what
see under what have you.
See also: know, what, who
The American Heritage® Dictionary of Idioms by Christine Ammer.
- out of the top drawer
- from the top drawer
- live to a ripe old age
- I told you so
- (I) told you (so)
- to a/the ripe old age
- knife
- (as) slow as molasses
- molasses
- slower than molasses