To hit; to strike.
to have sexual intercourse (with someone)
A great success; a hit.
A pupil who works hard; a swot.
A line in a film etc that elicits such a laugh.
A big laugh.
A hit or smack.
To keep safe; to defend; to guard; to prevent harm coming to.
To book a passenger on a later flight if there is a chance they will not be able to board their earlier reserved flight.