The chart-topping singer comes to the aid of one of the nation’s top docs.

Dr. Anthony Faucigot a lesson in internet slang fromOlivia Rodrigo.

After Fauci read a tweet giving him a shoutout (“Happy man crush Monday to this hero.

Thank you Dr. Fauci for all your hard work.

We appreciate your intelligence, [honesty], bravery, [and] compassion.

And since he didn’t, Rodrigo kindly filled him in.

“So, it’s a big compliment.”

And the doctor modestly brushed off the internet accolade.

“If Man Crush Monday makes you get vaccinated, go for it,” he said.

“I’m a really old guy,” the octogenerian said.

“That’s incredible,” Rodrigo replied about his first show memories.

Rodrigo has been in Washington, D.C. to encourage young people to get the COVID-19 vaccine.

She posted about it on social media this week, sharing a shot of her with President Joe Biden.

YOU have the power to save lives.”