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Meaning to lick out a bum hole. Originally started with Yam Bum, it has now evolved to Yom Bom. First used in South London, it is not used all over London.
I love to yom bom
Did you yom her bom last night?
No don't be sick , I don't wanna lick her shit
by Experienced Yom Bommer August 14, 2016
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