conversation teaser
said of someone who gets you very excited about a story she or he just remembered, but then realizes she or he doesn't know it well enough to actually tell it, leaving you highly frustrated.
RJ - Oh that reminds of that great story! see, this guy, he...well, turns out he wasn't who is was, but...you know, it's funny because...he was pretending to be...shit, i don't remember the whole thing, nevermind.
Justine - Dammit RJ! you're such a conversation teaser.
Justine - Dammit RJ! you're such a conversation teaser.