A namesake friend; someone, often a complete stranger whom you might never have met in person, with whom you chat online, when you feel bored and have nothing better to do.
I have tons of chatmates on Whatsapp and WeChat. Even though I haven't met any of them, some of them have become very close to me. Actually, they give my life a new purpose - now, I don't even care if I have any traditional brick and mortar buddies. Yes, I know there could be some risk: who knows if my chatmates are mere bots.
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. Penguin Books,1992. p. 38)