With Ambaṭṭha 2.12.6

2.12.6

Atha kho bhagavā jivhaṃ ninnāmetvā ubhopi kaṇṇasotāni anumasi paṭimasi, ubhopi nāsikasotāni anumasi paṭimasi, kevalampi nalāṭamaṇḍalaṃ jivhāya chādesi.

And he stuck out his tongue and stroked back and forth on his ear holes and nostrils, and covered his entire forehead with his tongue.