big mouth
US /ˈbɪɡ ˌmaʊθ/
UK /ˈbɪɡ ˌmaʊθ/
1.
kletskous, pratmaker
a person who talks too much, especially about things that should be kept secret
:
•
Don't tell him your secret; he's a real big mouth.
Vertel hem je geheim niet; hij is een echte kletskous.
•
Her brother is such a big mouth, he always spills the beans.
Haar broer is zo'n kletskous, hij verklapt altijd alles.