lose (one's) bottle

To lose one's nerve, courage, or resolve to undertake something. Primarily heard in UK. I wanted to ask Steve on a date, but I lost my bottle at the last minute.

Common Names:

Name	Pronounced	Usage
Sopheap	-	Khmer
Patricia	[pə'triʃə]
Lux	LUKS (English)	Various
Greyson	GRAY-sən	English (Modern)
AurÉLia	-	Hungarian
Rajendra	-	Indian, Hindi, Marathi, Gujarati, Telugu, Nepali