an organization in which one person does all the work or has all the power.

It's basically a one-man band. He designs, prints and sells the T-shirts himself.

Its critics say that the company has become a one-man band in recent years.

• arty-farty
• a rubber check
• a rubber stamp
• a rude awakening
• a rule of thumb
• a rum do
• a running battle
• a running battle with
• a running battle with someone
• a running battle with something
• a rush of blood
• a rush of blood to the head
• a sacred cow
• a sad state of affairs
• a safe bet
• a safe pair of hands
• a safety net
• a safety valve
• as a general rule
• as all get-out
• as all get out
• as a matter of course
• as a matter of fact
• as American as apple pie
• hand to on a silver platter