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 continue, maintain or pursue (:an activity or enterprise)
To have an illicit sexual or flirtatious relationship.
To take baggage or luggage onto an airplane, rather than check it.
To intervene in a dispute, or in a conversation.
To interrupt a conversation by introducing a different subject or making a comment.
To insert something (or oneself) between other things.
To be inserted between parts or things; to come between.
To offer (one's help or services).