Yep, ‘that’s pony’ means ‘that’s crap’. From pony and trap. You omit the actual word that rhymes. Nice whistle mate! (I like your suit, from whistle and flute

Yep, ‘that’s pony’ means ‘that’s crap’. From pony and trap. You omit the actual word that rhymes. Nice whistle mate! (I like your suit, from whistle and flute). It’s fun to figure them out.