when you're getting well mad about something
john: are u kidding me bruv shut up ur so annoying
alex: why u getting vexed bruv
2 b pissd off/angry
i woz so fuckin vexed at dat slag kelly, i beat 7 shadez of shit outa her
noun phrase
Meaning "take no offense" or "I mean no ill will towards you." Used to lessen seemingly harsh statements into a more positively-connotative context.
"No vex bro, but it seems like you are gaining a lot of weight recently."
"I did not think you would end up with a girl that hot, no vex."
Vex is Jamaican slang (patois) for to angry, to annoy.
Patois: John vex because him get lock out
English: John is upset because he got locked out