Those PROUD OF THEIR LOOKS Say it with a itsy bitsy Red Bikini.
RMcD: Probably an itsy bitsy teeny weeny little polka dot bikini.
Bikinis in South America are in fact "itsy bitsy".
Target sells an adorable itsy bitsy teeny weeny yellow polka dot bikini for approximately $30 for both pieces.
For some fun, there is the Yellow Polka-Dot, a take on the "itsy bitsy bikini" of the song.