English: manko is someone who don't have one leg.
Portuguese: manko eh alguem ki nao tem perna porra! =D mehhhhh sensacional

English:
-you're manko!
-oh, I lost mi leg in a war.

Portuguese:
-seu manko!
-cala a boca o fdp, perdi minha perna na gurra véiu...
-manko burro!

http://www.urbandictionary.com/define.php?term=manko