Not in My Mouth!

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Two and a Half Men - Season 9 - Episode 17 - Not in My Mouth!
Watch Not in My Mouth! online

About this Two and a Half Men episode:
Two and a Half Men - Not in My Mouth! is the 17th episode of the 9th season of the series.
In this episode, Walden and Zoey are on their way back from their dinner in San Francisco when the jet hits turbulence; in the tense moment, Walden says "I love you" to Zoey, which she does not return. This bugs Walden and he considers breaking it off, especially when he tries to get it out of her as she rushes to London on a business trip. Feeling rejected, Walden meets Zoey's neighbor Jennifer in the elevator and brings her back to the house for a walk on the beach and get better acquainted; Zoey calls Walden to clear up the matter (revealing that she's said it twice only for bad things to happen, once to Nigel and again to Russell Brand), only for Jennifer to walk into the room and ruin the call. Jake is instantly infatuated with Jennifer, and awkwardly attempts to woo her multiple times.
Alan becomes concerned about Lyndsey's drinking problem, which leads her to vomit all over Alan's bathroom; Berta refuses to clean it up and forces Alan to do so instead, but Jake offers to do it in exchange for $75.00 for a new Call of Duty game so he'll already know how to kill terrorists after high school. Walden brings Alan and Lyndsey to London with him to clear up the misunderstanding about Jennifer to Zoey, where Lyndsey drunkenly tries to talk to the guys about love only to vomit all over them, and subsequently the three of them vomit all over the jet. In London, Alan and Walden clear everything up with Zoey, who is still furious. As the guys and Lyndsey begin to leave, Zoey admits she loves Walden, and they reconcile with a kiss. Alan and Lyndsey follow suit, also professing their love to each other and kissing, only for the hungover Lyndsey to vomit in his mouth. Jennifer has sex with Jake while the adults are away, and the episode ends with Jake at the beach house bragging to a friend over the phone about how they had sex five times, calling it the best half-hour of his life.