Meaning of lose your rag

[Veki]

Test No. incompl/inter-62 "Losing It (2)", question 4

First he started shouting and then he began to throw things round the room and it was clear he had just lost his ..........

(a) rag
(b) cloth
(c) cover
(d) sheet

Test No. incompl/inter-62 "Losing It (2)", answer 4

First he started shouting and then he began to throw things round the room and it was clear he had just lost his rag.

Correct answer: (a) rag
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Please answer me.
I can guess what means "lost his RAG" but I can't be sure.
Thank you.
:-)

[Alan]

This means lose your temper/lose control of yourself.
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English as a Second Language
You can read my ESL story Present Simple

[English Teacher]

Hi Alan,
I'm confused here, is it " rag " or " rage "?
My regards
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" If you live, live freely OR Die like trees
Standing"

[Alan]

Hi,

The word is 'rag.'

Alan
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English as a Foreign Language
You can read my EFL story Progressive Forms

[Kati Svaby]

Hello,
rag/C,U / = odd (scrap of) cloth, usu torn, frayed etc
rags (pl)=old,worn or torn clothes
rag (C)=(inf) newspaper or journal

rage(C,U)= violent anger; U: trembling with rage; C:fly into a rage

lose one's rag:=express one's anger, impatience in an uncontrolled way./Alan/

Don't lose your rag so easily.
Kati Svaby