To lose the ability to cope with or understand what's going on around you.
Feminist Frequency is complaining about lack of diversity in female character designs in OverWatcth, a game that went out of its way to have the most diversity in female character designs. Way to lose the plot, Feminist Frequency!
To lose all self control and go absolutely bonkers. Make stupid and irrational decisions. In most cases only lasts a few minutes but sometimes can be permanent which will require long periods of habitation in psychiatric hospitals with the men in white coats.
Jimmy will lose the plot when he finds out someone stole his New Kids On The Block album.
Cigarette: Northern slang for a cigarette, used oft by mashed up mancunian ravers becasue of the resemblance of a hot(electric)stove to the end of a lit cigarette. Originated circa 1991 in the early halcyon days of the rave culture; we speculate during a drug fuelled hallucination by said manc.
'fuck me noel, i am bolloxed, is that a ciggy in your mouth, or the stove from me 'nans kitchen'/
General use: 'Give us a stove you cunt'