stick the knife in

beat off with a stick

To reject (a person making an unwanted amorous approach).

beat with the ugly stick

Used to describe someone who is particularly ugly or unattractive.

bring a knife to a gunfight

To enter into a confrontation or other challenging situation without being adequately equipped or prepared.

carrot and stick

The simultaneous rewarding of good behavior and punishing of bad behavior.

catch a falling knife

To buy a financial instrument whose price is falling rapidly.

clue stick

A metaphorical stick used to beat information or understanding into a slow learner.

get on the stick

To get started; to begin working; to become active.

hit with the stupid stick

Used to describe someone who is stupid or unintelligent.