すぽん
supon

To-Adverb

1. snugly (into hole, container, etc.); tightly (fitting, covering); firmly

Onomatopoeia
Related to すぽっと
To-Adverb

2. (with a) pop (i.e. sound of a cork, etc. being pulled out of a hole in one movement); with a plop; (fall) straight

Onomatopoeia
Related to すぽっと
Other forms: