fuddy-duddy
- n a conservative who is old-fashioned or dull in attitude or appearance
you may accuse me of being and old fuddy-duddy trying to stop young people having fun
fucker
- n someone who engages in sexual intercourse
- n a stupid despised man
fuckhead
- n a stupid person; these words are used to express a low opinion of someone's intelligence
fuckup
- n someone who makes mistakes because of incompetence
- n an embarrassing mistake