There is an insect sliding around under your table, being blown by the wind. You try to grab the insect but it keeps sliding past your hand because the wind is so strong. It’s going to start blowing you around under the table too!
The only way you can distract yourself from the wind and the insect sliding around under your table is by eating lots of food (ふう). That’s why you were at the table in the first place. It’s your dining room table and it’s dinner time!