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
Blythe	[blaið]
NadİYe	-	Turkish
Surya	SOOR-yah (Indonesian)	Hinduism, Indian, Telugu, Kannada, Tamil, Malayalam, Hindi, Marathi, Nepali, Indonesian
Delia (2)	-	English
Lucjusz	LUWTS-yuwsh	Polish
Jerusha	jə-ROO-shə (English)	Biblical