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
Joiner	['dʒɔinə]
Vivian	['viviən]
Donny	DAHN-ee	English
Alona	-	Hebrew
Nontle	-	Southern African, Xhosa
Ylli	-	Albanian