This is EXACTLY what I did! I saw Terrakion, wasn't interested in catching him right now, went completely around him, and eventually had to look up a guide just to figure out how to proceed.
Akuromadash~dash~You actually have no presence at all.Here it is, right in front of your eyes, a Pokémon that truly makes his presence felt! This Pokémon is Terrakion!Look who's talking.