What is Full Mast?
1.
A complete and full erection of the male penis
As opposed to a "
"Yasmine baulked as Franks Full mast loomed into view"
"Now at full mast , Greg was emabarsed and could not stand up to get off at his desired bus sop"
See
2.
A mammoth man who walks with an awkward limp. Also, 1/2 mast for a smaller version and tits mast edition for one with man titties.
Damn, did you see full mast. He just walked by that little midget asian kid. He has to be atleast triple his size.