|Origin:||Probably from German schurke 'bad man'; influenced by SHARK1|
1 plural shark or sharksHBF
a large sea fish with several rows of very sharp teeth that is considered to be dangerous to humans:
Sharks were circling around our boat.
shark-infested waters (=waters where there are a lot of sharks)
someone who cheats other people out of money
pool/card shark (=someone who uses their skill at pool or cards to cheat other players out of money)