a) to be ignorant of a situation and repeat offenses.
i) In the context of the worst possible situation.
b) a person who participates homosexual activities (male)
c) a doctor with a rectal thermometer.
a) (Name) I've told you this before, terdbanger!
b) (Name) doesn't know how to pronounce s's and th's, you know he's a terdbanger.
c) I had the ole terdbanger check me out today. I'm still limping.
A tardbanger is any person that does anything stupid. This also includes having sex with anyone who is stupid or does a lot of stupid things. A person that says something incorrect or makes an argument and ends up being wrong. A name to call anyone who makes the smallest mistake.
"Fucking tardbanger," muttered Katie after Ryan hit his thumb with the hammer for the third time that day.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)