being full of shit on a story, often times to make onelook cool
panda: "so the waitress was also a part time stripper, she was buying me drinkins all night, closed the place down early and asked me to stay. then she put some porn on the tv and one thing led to another..."
walsh: "man, stop quirking to me, youre so full of shit"
A fart that is formed in the testis and travels through the vas deferens and emerges though the penis. It is a painfully process is ultimately fulfilling with the female species.
After I was eating mexican food I started quirfing loudly in spanish class.