To set fire to ones flatulent gassy fart. Can be done alone or as a party piece. If done with a crowd of mates a competitive element may arise to see who can burn off the longest flame.
"Quick, Lend me your lighter" said Andrew, "I've been on the baked beans, sprouts and Guinness again so stand well back while I burn one off".
a curry so spicy peoplethink there face is melting while they are eating it.
went to an indian restaurant last night to have a mild curry and it turned out to be a burnyour face off curry had a beer and 2 litres of milk to cool me down.