Use (your) loaf.

British & Australian, old-fashioned

if you tell someone to use their loaf, you are telling them in a slightly angry way that they should think more carefully about what they are doing.

You haven't even switched the thing on. Come on, Jamie, use your loaf!

• have your moments
• have your name in lights
• have your nose in a book
• have your nose in the air
• have your pick of
• have your pick of something
• have your share of
• have your share of something
• have your sights set on
• have your sights set on doing something
• have your sights set on something
• have your wicked way with
• have your wicked way with someone
• have your wits about
• have your wits about you
• have your work cut out
• have your work cut out for
• have your work cut out for you
• head and shoulders above ...
• head and shoulders above
• head and shoulders above someone
• head and shoulders above something
• head and shoulders above the others
• head and shoulders above [the others/the rest etc.]
• head and shoulders above the rest