Seagull surprise Share definition Flag Man knocks out partner and shits on girls/guys chest and jizzes on it, hence seagull surprise. that bitch wasnt too happy when she woke up to be seagull surprised. Seagull surprise by booberry banana May 8, 2010 0 0 Get merch Get the Seagull surprise mug. Buy Now — $32.95 See more merch