How to say don't burst out laughing like that. it's creepy. in Japanese
急に急に(kyuuni) (adv) swiftly/rapidly/suddenly/abruptly/immediately笑い笑い(warai) (n) laugh/laughter/smile/sneer/sex aids出さno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbないない(nai) (aux-adj) not/emphatic suffixでで(de) (prt) indicates location of action/at/in/indicates time of action/indicates means of action/cause of effect/by/and then/so/indicates continuing action/ indicates certainty, emphasis, etc.よよ(yo) (num) four。。(。) Japanese period "."不気味不気味(bukimi) (adj-na,n) weird/ominous/eerie/uncanny/ghastlyだからだから(dakara) (conj,n) so/therefore。。(。) Japanese period "."