A drug sniffing dog, commonly used for finding drugs in school lockers.
Dan: I heard the pot dogs are coming to our school today! I hope they don't find the weed in my locker.

Jim: You're screwed! Haha
by Hot as ice! April 22, 2010
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a hot dog bun with weed spread around where the frank would be
"Dude, I'm so high right now... lets make some pot dogs."
"What are pot dogs?"
"ok i'll show u."
by Bo C. May 10, 2007
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