35وَما كانَ صَلاتُهُم عِندَ البَيتِ إِلّا مُكاءً وَتَصدِيَةً ۚ فَذوقُوا العَذابَ بِما كُنتُم تَكفُرونَ(Irfan-ul-Quran)And their (so-called) Prayer at the House of Allah (Ka‘ba) is nothing more than whistling and clapping hands. So taste the torment because you used to disbelieve.