Brendan Fraser hilariously loses his fake teeth and drops F-bomb during sketch ... trends now

Jimmy Fallon brought back an old character on Thursday's episode of the Tonight Show and enlisted Best Actor Oscar nominee Brendan Fraser in the bit.

Brendan played Gilvin of the Tree, an elf-like recorder-playing character with terrible teeth who is the sidekick to Fallon's Goat Leg Greg character in the Pearls of Wisdom sketch.

The Whale star was awkwardly sitting in a bird's nest wearing a short blonde wig while Fallon - who was wearing an eye-patch, smoking a pipe. sporting an Irish accent and had a goat leg - made up limericks.

The School Ties actor struggled to get his lines out intelligibly while wearing hideous fake teeth. 

At one point the teeth shot out of his mouth and into his lap causing the 54-year-old to drop an F-bomb, which made Fallon, 48, and the studio audience erupt into laughter. 

'Commence thy pearls, Greg,' Fraser declared with glee.

Fallon made up limericks about current pop culture events including The Bachelor and Cocaine Bear.

'There's 30 young ladies, 15 are named Katie, all certain for Mr. Right, I watched the first few but slept halfway through because Zach is boring as shite,' Fallon rhymed.

'You speaketh what the rest of us thinketh,' Brendan said and then played a few notes on the recorder, before adding 'You're the real goat, Greg.'

Later in the sketch, Gilvin cackled with glee while saying 'The final peal, commence the

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