Top definition
Pretty much slag development year, the year where the innocent ones turn into sluts. Barely anyone leaves with their virginity , abit like Ibiza but less exciting.
Matt: have you seen Helen, she's such a slag!

Megan: yup, she must have experienced year 9
by Scotlandforlife March 20, 2017
Get the mug
Get a year 9 mug for your friend Jerry.
13-14 year old Little kids that think they can do what they like just because they’re in the top of lower school.
They’re all slags and the year 11s will try and get with em because they know they will do whatever the say.

Last year you can mess around and do whatever before you go through two stressful years.
Year 11: are you getting with that year 9 girl
Year 11 2: yup she’s proper fit and she does whatever I tell her
by Whateverulikeuno July 22, 2018
Get the mug
Get a Year 9 mug for your sister Jovana.
Year 9 third year of secondary education. Year 9 has the hardest girls, the biggest slags and funniest boys, the y9’s have a lot of fights. The y9’s don’t care about there work and lessons they act like they own the school and fights anyone who gets in there way
Everyone running towards a crowd*
Y11’s - β€œwow these year 9 have so much fights”
by Baliss72772 July 15, 2019
Get the mug
Get a Year 9 mug for your brother Callisto.