くくっ
Meanings
Interjection
1. mwahahaha (evil laughter)
Adverb
Adverb taking と
2. coo coo; cooing; sound of pigeons; sound of doves (Onomatopoeia)
3. stifled laughter; suppressed laughter (Onomatopoeia)
4. sound of snagging (Onomatopoeia)
Other readings