Maculum 

The maximum size of a penis (Very big), in which you are giving the male a compliment by implying that it is large.

“Your penis through those gray sweats, looks maculum.”

Maculum by Talyse June 2, 2020

macuum 

A girl (or boy) possesses a mouth with suction power comparable to that of a vacuum cleaner. Generally used to define someone who gives a tremendous blow job.

"Yo, that was the best head I've ever gotten bro! She had a straight up macuum!!"

macuum by Zoshoni February 28, 2013