John Gill Commentary Psalms 108:9

"Moab is my washpot; Upon Edom will I cast my shoe; Over Philistia will I shout." — Psalms 108:9 (ASV)

Over Philistia will I triumph
In (Psalms 60:8), it is, "Philistia, triumph you because of me"; (See Gill on Psalms 60:8).