إِذْ تَسْتَبِيكَ بِذِي غُرُوبٍ وَاضِحٍ عَذْبٍ مُقَبَّلُهُ لَذِيذِ الْمَطْعَمِ
When she captivates you with clear, gleaming teeth; her kiss is sweet and the taste of her mouth delightful.
Tastabīka means to draw or captivate you. The lustre of the beloved’s teeth and the sweetness associated with her mouth appear together: beauty is not merely seen but imagined through closeness.