It means Shotgun and is most commonly used by gang members in the UK.
I'm armed with a dotty
by GhandisToeNail October 19, 2015
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"Lake" (Nonantum, MA) expression of exclamation or magnification of associated emotion. Used with mandy-cai* or dicky-cai* for emphasis of a point.

* See mandy-cai and dicky-cai
Mandy-cai dotty, that's a big boat! Dicky-cai dotty, this is a dangerous neighborhood...
by LaroldC December 04, 2008
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To cut to the chase, to give as good as you get, to flame underlings and plebs.
He was such a twat I had to do a Dotty on him!
by erm......Heidinabucket. March 09, 2003
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A brilliantly innovative, creative and intelligent woman. She has the ability to make anyone feel powerful and excited to be a live. Her funny and playful demeanor will brighten your day. She can be stubborn to have her own way and will fight for what she is determined to have. If you are respectful and loving to her, she will be devoted to you whether a lover or a friend. She is romantic, compassionate and above all hardworking. Her laughter is contagious and she tends to easily laugh until it hurts. She is great at the arts, dancing, music and design. Everyone needs one 'Dotti' in their life.
Dottiintelligentcreativeinnovativepowerfullaughingdevotedromanticcompassionatehardworkingartisticdancemusicdesignrespectfuldeterminedstubbornplayful
by Lydia the tatoo lady! February 04, 2010
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