boob vs sex activity

boob and sex activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
boob	Yes	No	Yes	No
sex activity	Yes	No	No	No

boob (noun)	sex activity (noun)
either of two soft fleshy milk-secreting glandular organs on the chest of a woman	activities associated with sexual intercourse
an ignorant or foolish person

boob (verb)	sex activity (verb)
commit a faux pas or a fault or make a serious mistake