sohcahtoa Share definition Flag the secret words kid use to indicate the wanting of sex with extremely large amounts of beer and poop in your mouth at once. sal: hey wanna do some sohcahtoa tonight? brittney: ok bring extra beersal: ii got the poop! sohcahtoa by the sohcahtoa people October 10, 2012 Get the sohcahtoa mug.