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2.
To get yelled at or told off or reprimanded for something you have done wrong. Or know you have done wrong.
"my mum is going to give me a right bollocksing when I get home for being out late."
by markymarkmarkenage July 30, 2008
 
1.
v. To Bollocks or Bollocks-up

The art of breaking or messing something up to a state of non-repair.
"Now that you have invited Jimmy, the stag-night is completely to bollocks"

or

"Hitting the television with that hammer is bollocksing it"
by Marko the Great August 03, 2005