Having or possessing properties similarly to those of a molecularly challenged cabbage, such as low or nonexistent IQ, a particular stink or smell, or a tendency to act as though one is a molecularly challenged cabbage. This word is commonly used as an insult, or to confuse people without an inkling to what it could mean.
Have you interacted with Brody yet today? He smells similarly to a molecularly challenged cabbage.
She has the IQ of a molecularly challenged cabbage.
Have you met Zack yet? They are as hyper and confused as a molecularly challenged cabbage in pickling brine.