Top definition
Pronounced (Mass-eye)

Basically means massive. Origins not exactly known, but probably from North-East England
"Aaaah mate, that girl has massi tits"
by Yebsthescally April 06, 2009
Get the mug
Get a Massi mug for your coworker Yasemin.
a vulgar ginger that has a tiny dick.
β€œlook at that redhead rapist over there!”
β€œmust be a massi”
by pewpewnibba September 25, 2017
Get the mug
Get a massi mug for your mate Vivek.