Catch 21 is used when you facea choice betwen 2 or more things, which both have drawbacks.
If i give this apple to Joe, Mary will be pissed off. But if i give this apple to Mary, Joe will be pissed off. See?!? its catch 21.
By Raquela
Catch-21
The ultimate problem in any shopping outing. Do you go to Forever 21 first and end up wearing "cheap goggles" the whole trip, or do you risk buying a dress at retail cost only to find it at Forever 21 for 10x less at the end of your trip?