That strange, uncomfortable pressure you get in the back of your throat/chest after eating too much peanut butter.
"Dude I just ate 3 peanut butter and jelly sandwiches. I think I'm having a peanut butter heart attack!"

"Damn bro you need to chill out with the peanut butter."
by optimus primed May 03, 2012
mugGet the peanut butter heart attackmug.