MCHAT

MCHAT is when you talk complete and utter bullshit for hours on end whilst high on MCAT aka Mephedrone. This is due to the effect of MCAT which makes people extremely talkative.

"That Mephedrone was lethal last night, I was talking MCHAT alllll night!"

by young-reezy February 5, 2010

McHat-trick

Having all three meals of the day (breakfast, lunch, & dinner) at McDonalds.

I just finished my McHat-trick with a BigMac Meal and I think I might die! See also gluttony and fatass

by Ronald McFatass December 8, 2009