Green’s Dictionary of Slang

Bolly n.

[abbr.]

Bollinger champagne.

[UK]Guardian Media 11 Oct. 6: Society gels nearly choked on their Bolly.
[UK]Indep. on Sun. Rev. 6 Feb. 24: Hang out at nightclubs, buying Bolly for tarts.
[Aus]P. Temple Dead Point (2008) [ebook] Home [...] have a bit of Bolly.