verb
rocks; rocked; rocking
to move (someone or something) back and forth or from side to side [+ obj]
[+ obj] :to cause (something) to shake violently
[+ obj] informal
to cause (someone or something) to be upset or shocked
to affect or influence (someone or something) very powerfully
to entertain (someone) in a very powerful and effective way
[no obj] informal :to sing, dance to, or play rock music
[no obj] slang :to be very enjoyable, pleasing, or effective
rock out
[phrasal verb] informal :to play music in a loud or energetic way
rock the boat
noun
plural rocks
[noncount] :the hard, solid material that the surface of the Earth is made of
[count] :a piece of rock
[count] :a large piece of rock that sticks up from the surface of the Earth
used in phrases to say that something is very hard, steady, etc.
[singular] informal
a strong person who can be relied on
someone whose ideas, values, ways of doing things, etc., do not change
[count] informal :a diamond or other jewel
[noncount] Brit :hard candy that is made in a stick
[count] informal :a small hard piece of a drug
between a rock and a hard place
informal :in a very difficult or bad position or situation with no good way of getting out of it
get your rocks off
informal
of a man :to have an orgasm
to feel great pleasure or satisfaction
live under a rock
to be unaware of things that most people know about
on the rocks
having a lot of problems and likely to fail
of an alcoholic drink :with ice cubes
noun
[noncount] :a kind of popular music with a strong beat that is played on instruments that are made louder electronically
US