On Wednesday’s Tonight Show Starring Jimmy Fallon, the Saturday Night Live star, 24, gushed about his fiancée to Robert Pattinson and late-night host Jimmy Fallon.

“I feel like I won a contest, so sick,” Davidson said. “It’s f—ing lit, Jimmy. It’s so lit.”

“It’s so funny to walk down the street because dudes are walking by,” he explained as he reenacts someone tipping their hat to him, adding, “Did you see that Derek Jeter commercial? He’s retiring and everybody tips their hat.”

In fact, Davidson said his engagement to the pop star has inspired others.

“Some dude goes up to me and says, ‘Yo man, you gave me hope,’ ” he said.

Also on Wednesday, Grande shared a new video of her fiancé on Instagram Story. “A perfect specimen,” “The Light Is Coming” singer captioned the footage that showed Davidson waving and blowing a kiss at her.

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PEOPLE confirmed Davidson and Grande’s whirlwind engagement