An abbreviation and brtisish for swear on my mums life, and is used in the very same way
Greg: Did ya snitch on us you plonker
Tyrone: Nah, mums I didnt, I swear
Anton Kazimierz, a phenomal youtuber and bus driver, with an impeccable Steven Seagal impression. A proper wholesome Yorkshireman, this man represents the daily endeavours of all UK bus drivers and strives his absolute hardest to shine a light on the true beauty of the TFL bus system, honestly what more could you ask for ?
Person 1: Did you see Doubledeckeranton's new video ?
Person 2: No, who's that ?
Person 1: The greatest youtuber and bus driver to have ever laid foot on this earth