could anyone give me sentences using “come off”

“oh come off it, you know he never said that” - used to express disbelief or disagreement (i think more common in british english - i’d probably say “oh come on”)

Did the wrapper come off the package? Will the dirt on the car come off in the rain? You should adjust your bindings properly so that your skis don't come off right in the middle of the run. It was their wedding night so he was super anxious for her top to come off.

When you talk with a loud voice, you come off like you're angry at me.  She comes off as a very kind and polite person.  You will also hear "come across" used with a similar meaning. 

“Coming off winter break and going back to work can be really tough.” “Now that I’ve come off my antidepressant, I have less side effects.”

If you want to come off well in tomorrow’s meeting, be sure to wear a tie!

“Come off it, Mr. Dent,” [the driver] said, “you can’t win, you know. You can’t lie in front of the bulldozer indefinitely [...] I’m afraid you’re going to have to accept it. This bypass has got to be built and it’s going to be built!” Hitchhikers Guide to the Galaxy. Douglas Adams

If you go fight that polar bear you're going to come off second best!

We had an elaborate plan but it didn't come off.

As you've already seen, it can be used in a number of ways, here's another one: "I considered hiring a limo, but I thought it might come off as pretentious."

"You come off as strong to me." Come off in this context means to appear as.

well, I wish i could, but i think i’d just come off as an idiot

Okay so these examples aren’t bad but unless you’re saying this phrase in the UK/Canadian way of indicating exasperation, a preposition or conjunction has to follow it. For example “it comes off as though you’re mad at me” or “did the wrapper come off of the package?”