Two Thumbs Up Charlie Brown Share definition Flag When someone puts two thumbs up someones anus along with their penis and preforms anal sex. You better shut up or i'll give you a Two Thumbs Up Charlie Brown Two Thumbs Up Charlie Brown by Constable Headshot January 17, 2008 0 0 Get merch Get the Two Thumbs Up Charlie Brown mug. Buy Now — $32.95 See more merch