Definition of "Jezzy"

[…] shotter who had a jezzy sister. 'Jezzy' means 'slag'. The mandem all used to go round there and get head off her, the sister blowing the man line by line while her brother shotted downstairs in the stairwell.

2011, “Chyna”, in How I Escaped a Girl Gang: Rolling in a London Girl Gang

Boys have concluded that 'decent' girls would not act this way, thus confirming her subordinate status as a potential 'group girl' (a 'Ho' or a 'Jezzy') and ensuring she is 'passed around'.

2014, Simon Harding, The Street Casino: Survival in Violent Street Gangs