When you fart under the covers and pull the blankets over your partners head... then tickle them so they are forced to breathe deep in between bouts of laughter.... and tears.
Karen: Hey, smell this flower my boyfriend gave me!
Alyssa: I can't, Matt gave me the Laughing Dutchman last night and nothing has been right since...
Karen: Is that why you have been crying all day?
Alyssa: It was taco tuesday.