Super Breath is a technique first used by Piccolo during his battle with Goku. The user inhales deeply, and then exhales creating a huge gust of wind similar to a hurricane.
King Piccolo uses a slightly similar method to throw some little rocks at Goku's limbs, with the intention of torturing him and to be immobilized by the pain of the injuries caused. He also uses it to blow Emperor Pilaf and his gang off of their airship after betraying them.
Recoome uses it to counter Gohan's Masenko. While battling on Namek, Gohan charges a Masenko and fires it at Recoome. Recoome, with his superior strength, is able to blow away Gohan's attack with Super Breath.
Evil Buu uses the Super Breath (or the Flame Shower Breath) to counter the Chocolate Beam onto Majin Buu himself (technique called Buresu ni Yoru Henka Biimu-gaeshi, lit. "Deflecting the Transfiguration Beam with his Breath", in the Special Attack Index of Daizenshuu 7), before eating him and transforming into Super Buu.