The line comes from Guardians of the Galaxy Vol. 2, released in 2017, where Yondu Udonta is played by Michael Rooker. In the scene Peter Quill compares his slow descent to Mary Poppins, and Yondu happily embraces the comparison before shouting the line to his crew. The exchange was widely clipped after the film's release and shared as a reaction sound on social media and soundboards. Its mix of Marvel action and an unexpected children's character reference helped it stay popular for entrances, cosplay videos and fan edits.
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Michael Rooker's Yondu line from Guardians of the Galaxy Vol. 2, saying he's Mary Poppins, used for funny entrances and confident reaction edits.
The clip captures Yondu Udonta proudly declaring himself Mary Poppins after floating down with his arrow, delivering the line with total confidence and Southern charm. His cheerful tone clashes with his tough Ravager image, which makes the moment instantly funny and memorable. The short delivery is clear, upbeat and easy to recognise, even without the film scene. Viewers hear it as a joke about unexpected grace and self belief, turning a rough character into a surprisingly elegant figure for a few seconds of pure comic timing.