oop

the word used when your not sure to say, but also

it can be used as a mixture of:
whoops
oops
haha
mood
i shouldn’t be laughing but i am
oof
i’m not sure if this is a joke so i’ll just say oop

often it’s used with several ‘o’s
as such: ooooop
or it can be used combined with other words, in this way:
yeoop

person 1: sometimes you’re such a bitch lol
person 2: oop