I squeezed the tube too hard and too much toothpaste came out.
「歯磨き粉出し過ぎちゃった」= I squeezed out too much toothpaste / Too much toothpaste came out / I squeezed the tube too hard and too much toothpaste came out.
ボキャブラリー
squeeze (out) = ぎゅーっと押す
too much = 多すぎる
toothpaste = 歯磨き粉
came out = 出た
tube = チューブ
too hard = ~をやりすぎる、力を入れすぎる