He still sang his way to the bank. For those of us from a particular generation, the word “thong” brings back fond memories of Sisqo. The Dru Hill frontman’s 1999 hit is a classic and helped revolutionize the way women wear their undergarments. For years “that thong-tha-thong-thong-thong” was the primary way ladies wanted to sport their underwear, and we can thank a …