The slowest walking speed possible. Only fat old security guards with short stumpy legs can achieve this incredibly slow rate of movement. Given a headwind and a hangover the Pork Scotch walk can compete with continental drift for lack of swiftness.
Is that fat guy sleeping on his feet?

No he's on his way to work. He's so old and flabby he can't go any faster than a Pork Scotch walk.
by by kenny spoffo-grumpbeetle August 16, 2009
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