Jason Lee Jason Lee

Every office has one: The oversharer. The chatterbox. The one employee that just won't stop talking.

But only on TBS' Men at Work does that character come in the form of the hilarious Jason Lee. The My Name Is Earl alum guest-stars on Thursday's episode (10/9c) as Donny, a very annoying co-worker of Milo (Danny Masterson) & Co. Donny pops up when Neal (Adam Busch), Gibbs (James Lesure) and Milo fight over a newly vacated office.

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So why is Donny wearing the same shirt from the day before? And what happened to him that is so ri-donk-ulous (aka ridiculous)? Watch this exclusive clip to find out.Men at Work airs Thursdays at 10/9c on TBS.