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.