An imaginary time during the month when the cycles of the moon cause a man to be bitchy and irritable. Directly related to a woman's pre-menstrual cycle, a woman can ask a grumpy man whether or not he's on his 'mancycle'.
The final product after munge has been carefully collected then poured into either an ice maker or any various shaped popcicle maker and froze. After the frozen mungcicle is ready it can the be immediately served to an unsuspecting friend or munglover.