The category on a popular pornographic website that features BDSM, hence a reference to it is implying that bondage is occurring
Person 1: Aww mate I just went to the hardware shop with Sarah and we bought some ropes and duct tape and cable ties
Person 2: Woah, category 10 strikes again?
Person 1: No wtf man we're building a boat...
by RirstlesFTW August 11, 2017
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