Contestan (en. They answer)
/konˈtestan/
Slang Meanings
To give the correct answer quickly.
When I asked him about the exam, he answered without thinking.
Cuando le pregunté por el examen, me contestó sin pensar.
To ignore or not respond appropriately.
I sent him a message and he only replied with an emoticon.
Le envié un mensaje y solo me contestó con un emoticono.