mactate

derived from the verb lactate, this occurs when a man's sweat marks on his shirt are concentrated around his man-boobs

"ew look at those old guys playing basketball"
"aw man, that fat dude is totally mactating"

by woundedgazelle September 5, 2005

mactating

From lactating a more specific version to describe men who lactate.

When Henry and Frank adopted their son, Frank started mactating and took care of all the breast feeding.

by melanarchy October 1, 2007

Mactation

When a man has a dream of a very small Berny Mac exiting throught the mans nipples.

The man cringed at the thought of mactation

by Mactator July 9, 2019