Wendys, a long establish fast food restaurant in the 20th century, served this peculiar item. Too thick to drink, and too thin to call ice cream. Since most fast food establishments sold milk shakes, many customer would view the frosty in similar fashion and use a straw to partake. The frosty was so thick that one couldn't slurp it until it had proper time to melt. 20th century afro-american woman are thick as well, and thus, the name began.
Yo, you see that honey in those jeans. Man she thick as a frosty. Yo, her new nickname is frosty.
Good hot gossip. Still warm from the oven, and still fresh in the mind of the person dispensing it. Not day old stale gossip where the gossiper has forgot some of the subtle details that makes gossip so satisfying.
I overheard a conversation where person A was upset because person B was dishing out juicy gossip, and person A was asking basic question about the information being shared. Person B because she waited so long to share the gossip had forgotten many of the details, and in her discust with person A told her "don't be mad because your not getting fresh bread.