An
expression of mild contempt or dismissal. Usually made in response upon seeing/hearing nonsense or bullshit. This
expression can also used to mask feelings of
rejection/hurt to a snub or any other perceived/real social slight.
Dave: I sent a friend invite to Nelson over Facebook and got rejected.
Mike: pfffft. Why do you want to be friends with Nelson for anyway? The guy was
basically a total dick to you back in high school.
Dave: Yeah I know, but
people change right?
Mike: Dude, get some
self-esteem.