I think, "A HORSE goes into a bar, bartender
says, 'Why the long face?"', that's a joke.
The Big Bang Theory Season 6, Episode 23
(HORSE WHINNIES)
Game of Thrones Season 4, Episode 3
It's a good one too,
because a HORSE has a long face.
The Big Bang Theory Season 6, Episode 23
So... you roam the Seven Kingdoms,
collaring pickpockets and HORSE thieves
Game of Thrones Season 1, Episode 3
Are you good on a HORSE?
Game of Thrones Season 5, Episode 10