Crossword puzzle clue "it becomes rude if you don't use your hand"

It becomes rude if you don't use your hand

"All right, brain, I don't like you and you don't like me - so let's just do this and I'll get back to killing you with ___": Homer Simpson

Lie told to someone you don't want to use your camera

Like markers you don't want people to use on your skin, probably

Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"

Peter Tosh "You Don't Miss Your Water (Till Your Well Runs ___)"

Yell at your parents for not making the soup salty enough because your crush told you your mouth looks too funny to kiss, e.g.

What you do when you put your hand through a broken window?