Crossword puzzle clue "ones who tell you when your slip is showing"

Ones who tell you when your slip is showing?

"Your slip is showing"

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

"___ slip showing?"

"___ slip is showing"

Having given a slip the slip?

Slip on a slip

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.