Main Entry: go down

Function: intransitive verb

Date: 14th century

1 a : to go below the horizon : set <the sun went down> b : to fall to or as if to the ground <the plane went down in flames> c : to become submerged : sink <the ship went down with all hands>
2 : to admit of being swallowed <the medicine went down easily>
3 a : to find acceptance <will the plan go down with the farmers> b : to come to be remembered especially in posterity <will he go down in history as a great president>
4 British : to leave a university
5 a : to undergo defeat or failure b chiefly British : to become incapacitated <went down with…acute tonsillitis — Helen Cathcart>
6 slang : to take place : happen

— go down on : to perform fellatio or cunnilingus on