When a guy is so feminine that it seems as if his dick has jumped away from his balls and out of his pants.
Dan: OMG, DUUUUDDDDDEEEEEEE! His hot dog has totally left the bun!
Bill: ALERT ALERT *THE HOT DOG HAS LEFT THE BUN!* ALERT! ALERT!
Bill: ALERT ALERT *THE HOT DOG HAS LEFT THE BUN!* ALERT! ALERT!
by fjhdhrjjhf August 11, 2015

When a naked old bird touches her toes with her back to you and her fanny looks like a split hot dog bun. Usually accompanied by piles.
The female cast of Cocoon were bent down in the wet changing rooms at my local swimming pool and I got an eyeful of various split hot dog buns.
by jamnx May 3, 2011
