Walgreens Clerk

The Walgreens Clerk is a fleeting face behind the counter in Big Mouth's suburban chaos — the kind of adult who gets pulled into a kid's mortifying errand, whether it's buying deodorant, condoms, or something even more excruciating. She's brisk, unbothered, and utterly uninterested in making the moment easier.

Big Mouth thrives on turning ordinary errands into comedic minefields, and a bored clerk is the perfect straight-woman device — someone whose total lack of empathy amplifies the kid's humiliation. Jenny Slate's clipped delivery gives even a few throwaway lines a real comic snap, proof that this show's smallest parts still land.