Used to express that
the speaker of the 'sure call' doubts that a statement made by a person who he/she is
talking to is truthful. often used in an elongated and loud tone, the longer and louder the sure call, the more doubtful
the speaker is of the validity of the claim.
-"
I'm sorry i couldn't make it over to
your house last night, I felt sick..."
"Suuuure! I bet you really went and hung out with your
girlfriend..."