What does - Como mola Por fa repitelo mean in English?

"Como mola" is a Spanish phrase that roughly translates to "How cool" or "That's awesome".

"Por fa" is a shortened way of saying "por favor", which means "please".

So, "Como mola Por fa repitelo" can be understood as:

"How cool! Please repeat it."

It's a way of expressing enthusiasm and asking someone to repeat something they just said.