This is the 6465th most frequent Japanese word.
スルッ
"スルッ" (suru) refers to something slipping smoothly or effortlessly.
In this sentence, スルッ is used to describe a smooth or effortless movement, implying a quick and seamless action.
彼はドアの隙間をスルッと抜けた。
He smoothly slid through the gap in the door.
Here, スルッ describes something slipping out smoothly, indicating an unintentional yet smooth occurrence.
電話がスルッと手から落ちた。
The phone slipped smoothly out of my hand.
This usage of スルッ portrays an effortless and smooth motion, emphasizing the ease with which the melting cream enters the mouth.