Albert Barnes Commentary Psalms 109:1

"Hold not thy peace, O God of my praise;" — Psalms 109:1 (ASV)

Hold not thy peace — That is, Speak for my defense—as if God had looked with unconcern on the wrongs which were done to him. See the notes at Psalms 83:1.

O God of my praise — The God whom I praise; whom I worship and adore. It implies that he was accustomed to praise Him, and still desired to praise Him. He sought that God would interpose now that he might have new occasion for praise.