sam (batman)'s definitions
when a female is chumin she is currently on her menstrual cycle that consists of dark red blood and chunks like chum (like fisherman use to attract large fish or sharks by dumping buckets of fish blood and guts into the water).
feeeeeeewwwww!!! she must be chumin!!
by sam (batman) May 23, 2006
Get the chuminmug.