squad vs team up

squad

• 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. 

team up

• To join into a team, or into teams.