The act of (typically a man) fantasizing about another man, whether sexual or otherwise. Often the result of a Bromance or Mancrush
"Wow bro, I was totally Mantasizing about you last night dude."
"uhh...nahh..."
"Go Mantasize about him. You guys are friends, and he'll probably like it."
"uhh...nahh..."
"Go Mantasize about him. You guys are friends, and he'll probably like it."
by TheObsticle December 07, 2009
by SnuffCJ December 07, 2010