kerbubble Share definition Flag A sudden rise in a stock price due to news events unrelated to the stock value. I didn't get into the market in time to profit from the GameStop kerbubble, but my brother's friend says he made six hundred bucks! kerbubble by JimBen January 29, 2021 0 0 Get merch Get the kerbubble mug. Buy Now — $32.95 See more merch