As a verb:
* I nicked my knee on the edge of the table. (meaning: to cut or scratch lightly)
* The thief nicked the purse from her bag. (meaning: to steal)
* He nicked the ball off the post. (meaning: to hit something slightly or glancingly)
As a noun:
* He got a nick on his finger from the knife. (meaning: a small cut or scratch)
* The detective found a nick in the glass that proved the culprit. (meaning: a mark or flaw)
* "Hey, what's your nick?" (meaning: a nickname)
In a phrase:
* He was in a real nick after the marathon. (meaning: in good condition or good health)
* She's in a bad nick after the breakup. (meaning: in a poor state or condition)
Let me know if you would like more examples or want to explore specific meanings of the word "nick"!