upchuckle

The act of vomiting immediately before/during/after you're laughing. Can be caused by laughing too hard.

My friend smelled the garbage and starting laughing at how horrid the smell was, but then the smell got to him and he began to upchuckle.

upchuckling

A term used to describe a performance or anything else that is so hideously incompetent as to be not only sickening, but laughable.

I'm sorry, but your performance here on "American Idol" was both sickening and laughable and therefor can only be described as upchuckling.

I coined the word in a piece of humor that I circulated on the internet and within a few weeks saw others use it in their writings. I'll send you a copy of the piece if you want.

Upchuckles

Laughing and retching simultaneously

That last graphic anime gave me upchuckles

upchuckled

The act of vomiting and laughing in the same instant.

A: You remember (unamed person) having that cold sore a while back? Herpes outbreak if you will?

B: Yes

A: Well I ran into (unamed person) on St. Patty's Day and saw the lady he was dating. She also had a rather large something on her upper lip.

B: I think I just upchuckled.