The act of placing a bacon sandwich between a man's asscheeks and then eating said sandwich while the man farts. Licking the asscheeks and eating the ass is optional.
Her: "No, please stop asking"
Him: "Arr, come on man, lemme dirty Finnan ya"
When a person gets ragged out from the back so hard that shit flies out of there asshole and goes into their nostrils and eye sockets while orgasming and pissing all over their dog