A shy guy or girl who will melt your heart. If you known them as a childhood friend you know that they would Risk their life for you and they would stay by your side no matter what. You are especially lucky if you are dating or if a Luka has a crush on you they will try to get with you and if they do the will be very loving, cuddly, and faithful.
A: hey meet My friend Luka
L: H-hi
B: aww hi there