Obesepiece Suit Share definition Flag An obese female that wears a three piece swimsuit in public. Also can be referred to as an OPS, for short. check out the obesepiece suit (OPS) over to the left. Obesepiece Suit by RyanTheMan99 October 14, 2009 0 0 Get merch Get the Obesepiece Suit mug. Buy Now — $32.95 See more merch