stamp

fit/write something on the back of a postage stamp

if you say you could write what you know about a subject on the back of a postage stamp, you mean you know very little about that subject. What I know about car maintenance could be written on the back of a postage stamp.

See also: back, fit, write

a rubber stamp

rubber-stamp something - if someone rubber-stamps a decision or a plan, they give it official approval, often without thinking about it enough. The committee is just a rubber stamp for the president's policies.

See also: rubber

rubber-stamp something

if someone rubber-stamps a decision or a plan, they give it official approval, often without thinking about it enough. School governors will not simply rubber-stamp what teachers have already decided. The court was asked to rubber-stamp the Department's decision to free the men.

See also: rubber-stamp

someone's stamping/stomping ground

a place where you regularly spend a lot of time. I spent an afternoon in Camden, my old stomping ground.

See also: ground

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stamp out something

to stop or destroy something. How long have we been trying to stamp out drugs? Everyone enjoys these games, although some people want to stamp them out.