It could be that the cartoon man is doing a high kick as part of a competition or to defend himself. But it really depends on the context of the cartoon.
For a cartoon stick man to do a high kick well, the animation should focus on showing the fluidity of the movement. Also, the angle and height of the kick should be exaggerated for visual impact. Plus, adding some wind effects or a reaction from the target can enhance the effect.
The cartoon might show the girl in a dynamic pose, with her body extended and a determined expression as she executes the kick.
Perhaps the cartoon depicts the journey of a girl soccer player, with the bicycle kick being a key moment that changes the course of a match or boosts her confidence as a player.
Maybe he was having a bad day and took it out on the poor dog.
That's a very bad behavior. Maybe it's shown to highlight some social issue or to create a contrast.
It could represent her strength or determination. Maybe it's a way to show her confidence or a means of defending herself.
Maybe he's sorting the clothes by color or fabric type.
Maybe he's daydreaming or singing to himself.
Maybe the man did something bad to the cartoon character and made it angry, so it kicked him.
It could be that the cartoon character was having a bad day and took it out on the fisherman. Or perhaps it was all a misunderstanding. There could be many reasons behind such a strange action.