Smart Definition
Etymology
Pronunciation
capullo
cocoon
cap
cover or container
+
-ullo
diminutive suffix
Capullo means 'cocoon' and can be remembered as cap0 (cover or container0) + -ullo1 (think of it as a small1 ending), suggesting a small covering or container, which is essentially what a cocoon is.
noun
  1. cocoon
    The protective case of a caterpillar or other insect larva before it emerges as an adult
    La mariposa salió de su capullo. // The butterfly emerged from its cocoon.
  2. jerk
    A vulgar term for a foolish or contemptible person
    No seas capullo y pide disculpas. // Don't be a jerk and apologize.