What is Cheap Shot?
1.
This occurs when you buy something only to discover that you could have got it cheaper somewhere else. Usually adding insult to your being as well as injury to your wallet
Ah shit, I got this dvd for £5 and now its here for £3. I hate cheap shots!
See
2.
a cheap shot when you're fighting with someone and they hit you in the balls so that you are forced to grab them in pain
(A hits B in the balls)
A: "OOOWWWW! Cheap shot!"
See