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to keep someone from getting to an appointment ontime or to delay someone from reaching their destination
" I can't go any faster, the van in front of me is straight up clockblockin!"

" How many times are you gonna tell me 'one more thing'? I'm late, stop clockblockin me"

"My boss totally clockblocked me when he called and asked me to finish a project at 4:50 on a Friday."
by Jayvon December 05, 2007
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