A fork of Rural Dictionary
A complete and full erection of the male penis
As opposed to a "Half Mast" or "Semi" when the male is slightly aroused or drunk, and unable to achieve "Full Mast"
"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"
a fully erect, hard penis and also a mens health clinic that treats erectile dysfunction with shockwaves
As soon as she touched him, boing, it sprang to full mast.
any man running with an uncomfortably noticeable erection, possibly while naked.
Janus ran full mast yesterday morning during his morning job through the nudist colony. He was running full mast, to the shock and envy of all.