Really Cool Edit Meaning

1.

Something that is most definitely not "really cool".

"I'm doing something really cool."

"Oh yeah, whats that?"

"I'm adding the word 'headphone-malfunction' to urban dictionary."

"That's really cool."

See really, cool, sarcasm, lame, funny, Jeff

2.

Something or someone that is so cool the meaning is useless when applied to said person/thing. In times like these, one must use the correct Really Cool to verbalize the utter coolness of said holy object...person/thing.

Beatrice: Man, that Johnny sure is a jive cat.

Harriet: One might say he is... REALLY COOL.

Beatrice: No. BLASPHEMER! ROT IN HELL!!