"Walwal, Wal-Wal" is a word in HILIGAYNON

wálwal, wál-wal - To hang or bulge out,
protrude, project, stick out (of the tongue,
of pockets, etc.). Nagawálwal ang íya
pányò. His handkerchief is hanging out.
Pawalwalá lang ang pinutús. Let the
package hang out. (cf. diwál, kabítkábit,
káway, búgway).