Okay...I'm gonna ask it...what does curmudgeolnly mean?

Sorry for the intrusion and silly question.
I'm assuming a 'rant all you want' thread? Which is great!
Just don't expect me to say anything bad about my wine. LOL...Sangria is my best friend some days.
Jmak, A special hug for you and your hubby. My thoughts are with you both.