sex vs roll in the hay

sex and roll in the hay both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
roll in the hay	Yes	No	Yes	No

sex (noun)	roll in the hay (noun)
activities associated with sexual intercourse	slang for sexual intercourse
the properties that distinguish organisms on the basis of their reproductive roles
all of the feelings resulting from the urge to gratify sexual impulses
either of the two categories (male or female) into which most organisms are divided

sex (verb)	roll in the hay (verb)
tell the sex (of young chickens)	have sexual intercourse with
to evoke sexual feelings