Definition
Unsportsmanlike.
See Also
- dirty pool
- uncricketlike
How People Actually Use It
Meaning for something to be dodgy, wrong, or unfair. Based on Cricket being a gentlemen's game, fair play is expected.
"dude 1: My wife cheated on me with like six other men. :( dude 2: That's just not cricket man! :S"
Source: Urban Dictionary