to perform man-sexual activities, usu. with other males,
to go out and engage in or seek out "man on man" sexual activity.
highly sex-focused gay club hopping
"to man", "to be manned", "manning", "I will have manned".
A: "Dude, I'm so bored... what do you want to do tonight"
B: "Let's go manning!"
A: "Where have you been, I was worried sick!"
B: "I was out manning all day... so, what's for dinner?"
A: "I met this guy at the bar last night and oh, I manned him so hard!"