Definition: To fill (something) so that it is not possible to pass.
Alright class, settle down and listen close, Let’s tackle this word, let’s make it compose! “Blocked,” the dictionary tells us with glee, Means something's completely full, you see. It's like a drain, overflowing slow, Or pipes so tight, no water can flow! Think of a road, jammed up and tight, No cars can pass, not morning or night. That’s “blocked,” my dears, it’s quite the same, When something's full – it’s stopped in its game! So if you say a channel is blocked, it's true, It means no signal can get through! Do you understand? Any questions to share?