A flap in scaffolding or other building materials, which is perfectly proportioned to fit a pig through.
Person A: Hey look at that hole in the scaffolding. You could totally fit a pig through it.
Person B: It's like a Pig - Flap or something.
Person A: Yeah, for a pig called Henry.
Person B: It's like a Pig - Flap or something.
Person A: Yeah, for a pig called Henry.
by A. WB March 25, 2009