They competed in the 'butterfly'.
swimmers doing the 'butterfly'
a 'social butterfly'
(..) #That's what you say. OK! It's what we do. #From now. Look at this! It is a ... #It is an owl butterfly. Look at this! What kind is it? #Looks like a zebra long-winged. - Very well! - Good. #This is amazing. - That is the Owl, right? - Yes Owl butterfly. I peed, friend. ... ... ... ... five. Get away from me! Mason! Look at me. (..)2014 Boyhood