Peacocky

From his short passes to the hip-length tan winter coat he slipped on after the game, Pennington proved in myriad ways that he was all about being practical, not peacocky.

Source: wiktionary

“Samson 4th” was third, a smart, peacocky horse, favoured by his marvellous action, which invariably catches the Judge's eye.

Source: wiktionary

The famous Biennial was won by Earl of Dartrey, a light, peacocky horse, who was, perhaps, better than he looked.

Source: wiktionary