Native speakers use word "shall" in English? Like: "Shall I phone you this evening?"

What does that mean as an idiom: "No bite me, Charlie."? The previous sentence was: "Boy, are we gonna have a new daddy? It's a comedy movie. Please give me an example of using this phrase. Thank you :)

What does that mean: "Knock yourself out"? Give me an example, please. I saw this in comedy.

What does it mean - 'scantron'? In educational context. Please give me an example. Thank you.

What's the difference between "you had" and "you have had"? Please give me an examples when I must use first form and when second. Thank you.

".... you just have to sort of hang with me for a minute". What does that mean "hang with me"? All sentence is: "I know this is gonna sound like a bad idea, but you just have to sort of hang with me for a minute." Please give me an examples of using this phrase. Thank you so much. :)

"teachers know when you're putting them on" What does that mean: "putting on"?

What does it mean "potluck"? In which situations it can be use? Please, give an examples. Thanks.

Is it correct "goodluck", and if it is, what does that mean? It's an idiom? Please, give me example,