facetious
Being a total pain and pretending to be funny at the same time.
'I'm being facetious, not a total loser,' said the kid who failed the test and got a D.
During the debate, the arts student said, 'I'm being facetious, not a total idiot.' Everyone rolled their eyes.
The kid said, 'I'm being facetious, not a total loser,' while the teacher was writing him a detention.
xs