Top Definition
1) Something very scary to most People

2) A great fighter

3) Someone or Something you never want to make angry

4) a person who can switch between being nice and cruel in a second

5) Someone who is loyal
1) Did you see that old house, it was so Rusco!

2) the blind swordsman was a true Rusco.

3) That one kid behind me is very Scary, he's a Rusco

4) I know people who are very Rusco

5) Rainbow Dash is Rusco to her Friends
by ARandomShadowOfLife November 14, 2011

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