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1. Literally, to become lost. We got lost on the way, so we're going to be late to the party.
2. To leave; to go away. Often used as an imperative addressed to someone with whom one is frustrated. Listen, I don't want to buy anything, so get lost! Get lost, will you, Derrick? I'm tired of listening to your nonsense. He'd better get lost before I come down there and give him a piece of my mind.
1. to become lost; to lose one's way. We got lost on the way home. Follow the path, or you might get lost.
2. Inf. Go away!; Stop being an annoyance! (Always a command.) Stop bothering me. Get lost! Get lost! I don't need your help.
Go away, as in Get lost, we don't want you around. This rather rude slangy imperative dates from the 1940s.
get stuffedINFORMAL, RUDE
If you tell someone to get lost or get stuffed, you are telling them rudely to go away or that you do not care about their opinion. He whispered to the woman, kissing her hand until she stood up and told him to get lost. In the unlikely event that he should call you, then I suggest you tell him to get stuffed! Note: You can also tell someone to get knotted. If someone was to give him some friendly advice about where he's going wrong, he would tell them to get knotted.
get lostgo away (used, often in the imperative, as an expression of anger or impatience). informal
get ˈlost!(informal) an impolite way of telling somebody to go away, or of refusing something: I told him to get lost, but it makes no difference, he just keeps following me around.
See also: get
exclam. Go away!; Beat it! Get lost, you’re bothering me!
See also: get
Go away, leave me alone. This rude, slangy imperative dates from the first half of the 1900s. It seems to be replacing the somewhat earlier scram, with the same meaning, heard less often today. P. G. Wodehouse had it in Company for Henry (1967), “Can I have a word with you? In private . . . Get lost, young Jane.”