have no stomach

not have the stomach (for something) also have no stomach (for something)

to not feel strong or brave enough to do something unpleasant  

The soldiers did not have the stomach for another fight.

Usage notes: sometimes used in the form not have the stomach to do something: 

I don't think I've got the stomach to argue with her again about money.

It pays to keep Kleenex around --especially If you don't have the stomach to watch somebody slobber all over this new hockey jersey.

wingnut ear

Prominent ear (also known as bat ear or wingnut ear) — an ear that protrudes

call a person a worm

If you call a person a worm, you are insulting them by saying that they have a very weak or unpleasant character and you have no respect for them.

the breaks

Bad luck, a damn shame, or an unfortunate occurrence

As in those are the breaks when you're the youngest. (jigsaw jones 01)