lavalava Share definition Flag the principal garment for both sexes in Polynesia, esp. in Samoa, consisting of a piece of printed cloth worn as a loincloth or skirt. When I go to the beach, i like to bring my lavalava to wear over my bathing suit. lavalava by iekika June 22, 2007 0 0 Get merch Get the lavalava mug. Buy Now — $32.95 See more merch