1 definition by Your Everyday Fan-Girl (YouTub

When you say that something is nice but in a sarcastic way, not meaning it but in fact meaning the complete opposite so saying "Oh that's nice" basically means that it's not nice, and that you don't like it.
30 Year Old: I just got the new collectors Derpy Retard Hooves collectors figure!
Me: Oh thats nice!
30 Year Old: I know right!
Me: Yeah :l
Get the oh thats nice mug.