go down on
US /ɡoʊ daʊn ɑn/
UK /ɡoʊ daʊn ɑn/

1.
fazer sexo oral
to perform oral sex on someone
:
•
He asked her to go down on him.
Ele pediu a ela para fazer sexo oral nele.
•
They decided to go down on each other.
Eles decidiram fazer sexo oral um no outro.