Typically used in informal conversations among friends or on social media. Don't be such a fogey, try the new app everyone's using!
Pro Tip 2/3
Slightly Disparaging
Can be slightly negative, suggesting stubbornness or an inability to adapt. She called me a fogey for not wanting to get an e-reader.
Pro Tip 3/3
Age-Related
Often associated with older people, but young people can be fogeys too if they're resistant to change. Young fogeys at the club insist on wearing vintage suits.