More than three decades after the song was a chart-topping smash and became an instant classic-rock staple, ZZ Top finally revealed to fans Tuesday the meaning behind its iconic hit Legs. People have been coming up with all these crazy interpretations for 30 years, so weve finally decided to just come out and say that the songs about a womans sexy legs and how much they make us want her sexually, said lead vocalist Billy Gibbons, acknowledging that spelling out the meaning of Legs might take away from its longstanding mystique. If the song means something else to you, thats still cool, but there were lots of people who wanted to know what we were driving at. Gibbons went on to say, however, that most of ZZ Tops songs, such as the anti-apartheid anthem Tush, were pretty straightforward. 