Quelff

I deep sigh or either pleasure, or plain relief.

I quelffed so hard after I finished than math exam.

by Chanc100 March 15, 2016

Quelff

A heavy sigh or breath.

Dude, I had the biggest quelff after that test.

by Chanc100 December 15, 2015

quelff

A deep sigh, or breath, usually either in pain, anger, or pleasure.

"Dude I was so happy to finish that test that I nearly quelffed."

by Chanc100 December 18, 2015