It checks out whatever's around it by licking everything. If you don't clean off a spot where it's licked you, you'll break out in a rash!
It licks filth clean with its tongue. Whatever it licks always stinks afterward, so whether it's really clean is... questionable.
Wields its long tongue deftly, as though it were an arm. The Pokémon’s viscous saliva, once it has been collected and boiled down, yields a strong and highly useful adhesive.