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.