pop-upblocker
nounUK /ˈpɒpʌpˌblɒkə/
US /ˈpɑːpʌpˌblɑːkər/
A pop-up blocker is a tool that stops little windows from popping up on your screen.
I turned on the pop-up blocker so ads would stop jumping out at me.
OTHER MEANINGS
2. A setting in a web browser that prevents unwanted windows from opening.
The browser's pop-up blocker kept the game site from opening new tabs.
3. Software that stops annoying ads from appearing while you browse.
She installed a pop-up blocker to make reading the news easier.
4. A feature that blocks small windows that appear suddenly on a screen.
The pop-up blocker warned me that a site tried to open a new window.