The Brief: The Pelosi Clap meme template is used to signify a condescending reaction to someone.

DEEP DIVE
The Pelosi clap meme is a photo taken by Doug Mills during the 2019 State of the Union and is generally used a 👏clap-👏back, throwing shade, or just general condescension.
Can’t wait for the memes!!! #SOTU pic.twitter.com/idBkgrAJHB
— Deb Flute (@DebFlute) February 6, 2019
It was also described by comedian Patton Oswalt as a “F*** you, clap”
Congrats to @SpeakerPelosi for inventing the “fuck you” clap. #sotu pic.twitter.com/eueoUf9IBT
— Patton Oswalt (@pattonoswalt) February 6, 2019
— Steadman™ (@AsteadWesley) February 6, 2019
Pelosi’s daughter weighed-in on the significance of The Clap:
#waybackwednesday – oh yes that clap took me back to the teen years. She knows. And she knows that you know. And frankly she’s disappointed that you thought this would work. But here’s a clap. #youtriedit pic.twitter.com/vUCX2uAUvv
— Christine Pelosi (@sfpelosi) February 6, 2019