Proto-Sino-Tibetan: *phVp
Meaning: to suck, kiss
Kachin: pup kiss
Comments: STEDT 233-236 (with various reflexes from Tani, Miju, Kuki-Naga, Manchati, Qiang and LB, but with a hardly justifiable division of this expressive root into *m-bu[p/t/k] and *pip).