Guy: Is that a palomino or a appaloosas?

Guy: Hey!  Is that a mustang or an arabian stallion?
Me: She's a percheron.
Guy: A what?
Me: A percheron.
Guy: What's that?
Me: A breed of horse.
Guy: Oh.

Guy with weird accent: What kind horse?  This Australian horse?
Me: No, she's a percheron.
Guy with weird accent: Ah.  Is too big.

Guy: Is that a welsh?
Welsh:

If you're very observant, you may have noticed that all of those horses are being ridden by children.  Because they're ponies.  They're actually called Welsh Ponies.  

Here's a side by side comparison:

Welsh:                                                                                                            Percheron:

Guy: Is that an arabian?

These are arabians:

Percherons:

Fun fact: Along with many other modern horse breeds, percherons are descended from arabian bloodlines.

Guy: Are those quarter horses?  (see this post)