To kill someone and say, "Merry Christmas." Usually used in cohorts with heavy breathing.

Often used by Bill Cosby in the Bill Cosby Fun Game!
"Hahah! MERRY CHRISTMAS FAG!"

"Dude, you just pulled a Merry Christmas!"

*Heavy Breathing*"Merry Christmas!"
by Brandon Pfeltz May 5, 2005
Get the Cosby Merry Christmas mug.