“Is this an English word?”
Yes, though it is informal ie slang
“What does it mean? ”
expressing a lack of interest or enthusiasm. – Google is your friend
“IDK. Maybe he has a different reason.”
could be or maybe he doesn’t ….
Bottom line the argument you gave “It seems that he only made a small study that would be accepted by the rest of the scientific community” doesnt make sense
“He has a different definition!”
Oy . A secret supreme court definition?
“Come back here to discuss, if you don’t agree with him, after seeing the Interview.”
meh.
I never disagreed with him. If you want to give it go for it.