1 definition by mr pooper maan

When a man gets extremely angry or sad for little to no reason. This only counts if the change in mood is sudden and can be extenuated if the men was previously happy. This can't be used for women because they just have normal periods.
"He is happy about GYM class until he losses, then he has a manperiod"
by mr pooper maan July 4, 2018
Get the Manperiod mug.