To summon your inner manhood- prepare yourself for an immense amount of suffering and learn to enjoy it. To man up and keep pushing either in a combat situation or a civil situation.
"Private, I don't give a f*ck if your feet are bleeding ranger up and finish this ruck march."
"Bro, this chick is super hot but shes got a fat friend who needs a companion, ranger up and be a wingman"
"Half of my equipment is broken, people are shooting at me, but I still ranger up and keep humping along"
"the fuck you mean you cant drink anymore, ranger up son"
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."