A car boot loaded with alcohol, a trick invented by Punjabi Uncles in Britain during the 90s/early 2000s, in case their favourite drink was not served at a function.
(AKA "Car Bar")
Punjabi Uncle 1: There's no Chivas at this wedding, only Jameson!
Punjabi Uncle 2: Relax, I've got like 6 bottles in my boot.
Punjabi Uncle 1: Of what?
Punjabi Uncle 2: Two bottles of Black Label , 2 bottles of Bacardi, 2 bottles of Chivas and a 24 pack of Stella Artois pint cans
Punjabi Uncle 1: So then it's a full-on Boot Bar, ennit?
Punjabi Uncle 2: Of course, Paaji!