An Idiot but really more of a penis, someone who does outrageously stupid things but isn't neccesarily a stupid person.
Dylan:*does something stupid*
Zoe: Dylan is a huge Pillock
Everyone: Yeah definitely.
Dylan: What even is a pillock?
by LittleWelshWoman March 14, 2020
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Someone who is stupid and has made a mistake!!
Example

WHAT WERE YOU DOING YOU FECKIN PILLOCK!!!!!!!!!


See jemper for another word to insult people with...
by Ryanzinhio May 11, 2005
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A person with one testical, slang for an idot.
You stupid Pillock!
by rich September 9, 2003
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He's pillocking you - He's having you on or lying to you
by Darrell Harrison November 27, 2002
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He accidentally emailed page of dirty jokes to his boss's wife - the pillock.
by martin November 12, 2003
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