Red Sombrero Share definition Flag A Red Sombrero is when a someone has sunflower seeds in their mouth and proceeds to give another person a blowjob; cutting their dick. Alejandro gave Patrick a Red Sombrero that causing him to scream in pain. Red Sombrero by Ooof321 May 31, 2018 0 0 Get merch Get the Red Sombrero mug. Buy Now — $32.95 See more merch