The worse tooth.
Usually used as a synonym of "not the sharpest tool in the shed," this came to be when someone used the word 'tooth', then 'worse' and fumbled it up.
I was always the toothwort in my family.
Incredibly botched, wrong, misleading, or plain idiotic.
Usually used as an adjective.
adj Let's make the most fubar ad to ever exist!
noun This is fubar!!!
A more frivolous version of the word "meh".
Usually used if the person is too tired to make the "m" sound, so they do't fully close their lips and just make a "fl" sound.
(if you were wondering, yes, this originated in Florida)
Joe - Hey, Jeff, how ya feel?
Jeff - fleh.