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).
To act as part of, or on behalf of, a squad.
Sloppy mud.
One's friend group, taken collectively; one's peeps.
A unit of tactical military personnel, or of police officers, usually of about ten members.
A group of potential players from whom a starting team and substitutes are chosen.
A collective noun for a group of squid.