japanese pig shit

An acrostic used in the UK for the cheap and nasty JPS Cigarettes (straights/civvies/tailormades etc.).

"You got a straight?"
"Yeah, only japanese pig shit though."
"Screw that, they're grim, I'll have a rollie."

The Japanese pig

The act of the Japanese pig is where you take the head of your cock and chop it of and ship it to China some do it for pleasure

John: I heard dave did the Japanese pig
James: he didn't ship it to Japan did he