When you aren't physically tired, but you can't put much effort into what you're doing, like being emotionally tired but as soon as you change what you're doing to something you'd prefer to do then you'll have all your energy back
"You alright? You seem pretty tired."
"I'll be alright, I'm just brain tired"
When a friend in your group VC falls asleep mid sentence and continues in the group VC as a sleeping participant whose only contribution is snoring or the occasional non-sensicle gibberish about the object of their affection.
Moose: I am so tired.
Kat: Me too.
Moose: I hope I dont become kam-tired later while i’m voice calling my girlfriends.
Kat: That would be so embarassing!