What is Ballanco?
1.
a person who looks and sounds like a martian
(while watching "Mars Attacks") Whoa! look at all the ballancos
See
2.
a rat-like person (rat-like in the sense that they are ugly and have a lot of acne).
That Mike kid is such a ballanco. Jesus he's ugly.
3.
1) a goofy bastard (who is ugly)
2) rodent who likes eating mexican food
3) sounds and looks like a martian
"Damn dude...look at that ugly ballanco"