a knuckle sandwich
If you give someone a knuckle sandwich, you punch them
If you give someone a knuckle sandwich, you punch them
eat your words
If you eat your words, you admit that something you said was wrong
a piece of cake
If you say that something is a piece of cake, you mean that it is extremely easy
a couch potato
You can say someone’s a couch potato if they’re very lazy and they spend a lot of time sitting around watching TV and eating junk food
go down a treat
If something goes down a treat, it’s a great success and everyone enjoys it
