(third-person singular simple present mans up, present participle manning up, simple past and past participle manned up)
- (idiomatic) to "be a man about it"; to do the things a good man is traditionally expected to do, such as: taking responsibility for the consequences of one's actions; displaying bravery or toughness in the face of adversity; providing for one's family, etc.
- I was wondering when he would man up and marry that girl he knocked up.
- You need to man up and confront your boss about his behavior.
- Hey son, man up, ok? There will be time for tears later.
- (idiomatic) (of military personnel in a unit) to assemble, each person manning (attending to) his station, prepared for departure of an aircraft, ship, etc.
- (idiomatic) (of personnel, industrial, etc.) to staff adequately; to staff up; to successfully fill all needed labor positions.
- (sports) to vigorously guard the opponent to which one is assigned