1clog 
/ˈklɑ:g/ verb
clogs; clogged; clog·ging /ˈklɑ:g/ verb : to slowly form a block in (something, such as a pipe or street) so that things cannot move through quickly or easily [+ obj] ▪ The sink was clogged by/with dirt and grease. ▪ Traffic starts clogging (up) the streets at around five o'clock. ▪ Something's clogged (up) the pipes. [no obj] ▪ The drain clogs easily because the opening is so small. ▪ His arteries clogged (up) again five years after his surgery. — often used figuratively ▪ There are too many legal cases clogging up the court system.
— clogged adjective
▪ a clogged pipe ▪ clogged pores ▪ clogged arteries ▪ clogged blood vessels
▪ a clogged pipe ▪ clogged pores ▪ clogged arteries ▪ clogged blood vessels
