Smart Definition
Etymology
Pronunciation
chanchada
dirty trick
chancho
pig (Latin American Spanish)
+
-ada
noun suffix indicating an action or result
Chanchada means dirty trick and can be thought of as a pig-like action0 (chancho0) + -ada1 (action or result1), implying a dirty or unethical action.
noun
  1. dirty trick
    A dirty or unethical action; a dirty trick
    No puedo creer que hiciste esa chanchada. // I can't believe you did that dirty trick.