By Melissa Locker
November 25, 2014

There was a mini-Friends reunion on Jimmy Kimmel Live! last night, but no one was very friendly.

Former Friends co-stars Jennifer Aniston and Lisa Kudrow were both guests on Kimmel’s show as Aniston was making the rounds to promote her new film Horrible Bosses 2 and Kudrow was celebrating her comeback on The Comeback.

However instead of a joyful reunion between former cast mates, Kimmel pitted them against each other in a vicious war of words called “Celebrity Curse Off.” Each actress was given five seconds to come up with a jaw-dropping vulgarity until one of the women failed to deliver a fittingly shocking return volley.

If you can read between the beeps — and Aniston went Greek at one point – it’s an X-rated foray into diabolical language, with Kudrow getting a boost thanks to her teenaged son’s vocabulary.

Read next: Watch Jennifer Aniston Prank a Reporter

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