Crossword puzzle clue "you don't have a to stand on"

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

"South Pacific" song that asks "If you don't have a dream, / How you gonna have a dream come true?"

"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

"You don't have a ___ to stand on!"

You don't say it when you stand

Dessert that, if you can't both "have" and "eat," I don't really understand the meaning of "have"

Madison who said "You don't have to cook. I have enough potato chips to last me a year"

"Just as long as you stand, stand ___"