1 definition by _The_Fool_

Those moments when you’re up late and get a grade-a raging cock penis boner hard enough to penetrate the earth’s crust
Girl on FaceTime: hey lol let’s stay up all night

Guy on FaceTime: I CANT THE LATE NIGHT STIFFY HAS STRUCK AGAIN
by _The_Fool_ May 16, 2023
Get the Late Night Stiffy mug.