go down on
C1 slang inseparable transitive
In simple words
To use your mouth to give someone sexual pleasure.
Literal meaning: Physically moving downward toward someone — the literal movement is the basis of the euphemism.
Meanings
1 C1
idiomatic
slang
To perform oral sex on someone.
"This topic came up in the comedy show when the host made a joke about going down on someone."
Grammar: inseparable
Usage notes
Vulgar slang. Not appropriate in formal or professional contexts. Used widely in both British and American English. ESL learners should be aware of this meaning to avoid accidental confusion with 'go down' or 'go down with'.
Forms
Base
go down on
I/you/we/they
3rd person
goes down on
he/she/it
Past simple
went down on
yesterday
Past participle
gone down on
have + pp
-ing form
going down on
continuous
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Synonyms
perform oral sex on go down
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