What is Mcsad?
1.
a sensation in which one feels both angry and depressed at the same time.
a combination of the words "sad" and "mad..." and there's a little bit of McDonald's in there, too.
"Hey Morgan, what's up?"
"Nothing much, Whitney, I'm just really McSad right now... piss off."
See 
Random Words:
1. 
alternative to cut and paste
Stupid boy: How do I get that bit of writing from that window to this one?
Clever Girl: Just lick and sti..