n pl -nies Slang
1. Brit the female genitals
2. Chiefly US and Canadian the buttocks
fanny barrel 'faeni ˈbarəl
Slang term for a lot of lesbians in one place which makes it easy for an attractive one to find more than one partner.
fanny barreling 'faeniˈbarəl/ing
To attend a lesbian activity with the purpose of finding a better choice of partner/or more than one.
'I am going fanny barrelling tonight'
'I am a fanny barreller'