P-pat
A person who can't keep their mouth shut and thinks they're the only one who matters in your life.
My mom told my dad about my failed math test. Now my dad's telling my brother. Now my brother's telling my dog.
My friend told me my crush had a crush on me. Now my crush is telling my crush's crush.
My teacher told my mom I failed. Now my mom's telling my dad. Now my dad's telling my dog.