Simple past tense and past participle of clog.(verb)
Having an obstructed flow; blocked.(adjective)
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Use "clogged" in a sentence
"Today in The Washington Post, that paper's CIA spokesman, David Ignatius, explains that Abdulmutallab never made it onto a no-fly list because there are simply too many reports of suspicious individuals being submitted on a daily basis, which causes the system to be "clogged" -- overloaded -- with information having nothing to do with Terrorism."
"His tongue itched for free speech again, and but a week back the lightest word clogged it like ashes."
"The larger pore spaces in Cui's filter also keep it from getting clogged, which is a problem with filters that physically pull bacteria out of the water."