by ZEPOL 774 July 14, 2022

Noun: to insult someone in reference to Patrick Star’s famous line “because I can’t see my forehead”, implying they are stupid or incompetent.
by MrMonatone March 11, 2019

When an older person is using a video chat platform like Zoom, but only their forehead is visible because they don't know to angle their camera correctly.
by msyoungbearsmom May 22, 2020

by DanielKerscher October 12, 2022

by M3ga Bea5t March 30, 2021

Ancient idiom that was revived on September 12, 2021, when a resident of Massachusetts used it in response to an incredibly dumb comment by his friend.
Person1: “Bro, if the vaccine works then why are so many people still dying?”
Person2: “Dude, your forehead is showing again.”
Person2: “Dude, your forehead is showing again.”
by daHoffer September 12, 2021
