To decide to end an activity; to call it a day.
To continue, maintain or pursue (:an activity or enterprise)
To act or behave; especially to misbehave so as to attract attention.
To continue or proceed as before.
To talk continuously about, often in an excessively excited way
To have an illicit sexual or flirtatious relationship.
To take baggage or luggage onto an airplane, rather than check it.