"The original Rolling Stones logo, apart from being one of the world's most instantly recognisable symbols of rock 'n' roll, perfectly captures the band's rebel attitude in pushing sexual and social norms. Even their lyrics and off-stage antics were intended to push the boundaries of what was deemed 'socially acceptable'. "
It is a family thing: https://cdnhistorybits.wordpress.com/2015/08/11/canadas-electoral-history-past-prime-ministers/pierre-trudeau-sticking-tongue-out/
Goddess Kali: https://www.youtube.com/watch?v=dh_wngUJFys
"The original Rolling Stones logo, apart from being one of the world's most instantly recognisable symbols of rock 'n' roll, perfectly captures the band's rebel attitude in pushing sexual and social norms. Even their lyrics and off-stage antics were intended to push the boundaries of what was deemed 'socially acceptable'. "
http://didyouknowstuff.com/the-rolling-stones-tongue-logo-design-was-inspired-by-the-indian-hindu-goddess-kali-the-destroyer