Wiktionary
a. (eye dialect of sure English)
Wikipedia
Shure Incorporated is an American audio products corporation. It was founded by Sidney N. Shure in Chicago, Illinois in 1925 as a supplier of radio parts kits. The company became a consumer and professional audio-electronics manufacturer of microphones, wireless microphone systems, phonograph cartridges, discussion systems, mixers, and digital signal processing. The company also manufactures listening products, including headphones, high-end earphones, and personal monitor systems.
Usage examples of "shure".
Initial proctitis and the inevit4ble purulent discharge -- which may pass unnoticed in the shuRe -- is followed by stricture of the rectum requiring intervention of an apple corer or its surgical equivalent, lest the unfortunate patient be reduced to fart and shit in his teeth giving rise to stubborn cases of halitosis and unpopularity with all sexes, ages and conditions of homo sapiens.
If u lak thi curidje 2 taik it on then b shure that moast hoomins wood feel thi saim way.
She carefully finished the sentence: “Dylewt in won pint warter and won droppe in hys tee and be Shure to wear loose clowthing allso that no vysitors exspected.