Ba fras de némannaib boí ina bélaib.

Ba fras de némannaib boí ina bélaib.

(was * shower * of * pearls * (that) was * in her/his * lips)

It was a shower of pearls that was in her/his mouth.

This very common image, used of both men and women, is found in the Táin, and in tales such as "Togail Bruidne Da Derga" and "Siaburcharpat Con Culaind".