When 2 or more people wear nothing but motorcycle helmets with tinted visors and jack each other off. There are many variations including the Grogu Mando Hando in which one person sits in the other's lap and receives a reach around; or the Covent Mando Hando in which 3 or more people participate in a circle jerk while muttering "This is the way."
"Any plans tonight?" "Yeah, me and some buddies are gonna do a Mando Hando. Wanna join?"
"We went to a couples therapist and they suggested we try the Mando Hando. Let me tell you...THIS is the way to fix a boringrelationship."
Shortened form of "mandatory blackout."
1. a declaration that a night out is expected to become chaotic, excessive, or highly intoxicated.
2. an event universally understood within a friend group to require maximum participation and energy.
"Mando blout after finals!"
"Last taco tuesday was such a mando blout"