"Pipi, Pipi" is a word in HILIGAYNON

pípì, pîpî - To strike with a flat
instrument, to hammer; beat, slap with the
hand repeatedly or in quick succession
(especially in connection with massaging);
to shampoo, clean the hair and scalp with a
hair-wash; to prepare a hair-wash from the
salangkógi-bark, or the like, by hammering

pípis – písngi
(beating, crushing) the bark and dissolving
its juice in water; to use or apply such a
hair-wash. Pipíi (Pîpií) akó sing hinakí.
Prepare a hair-wash for me. Pápà ka sing
hinakí nga ipípì (ipîpî) sa ákon bohók.
Beat out some bark (Prepare a hairwash)
for cleaning my hair. Pipíi (Pîpií) ang ákon
bohók sing hinakí. Pour some hair-wash
over my hair. Pinipían (Pinîpián) níla ang
bútkon ni Fuláno sa pagpaúmpaw sa íya.
They slapped N.N.’s arm in order to bring
him to. (cf. pápà, pâpâ).