When you take a shit and shit sticks to, or "clings on" to the bowl.
I flushed the toilet but there's a piece of shit that don't wanna go. I call that shit a cling-on
by bow2ursensai February 22, 2016
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When a man gets out of the water so his trucks suction to his dick have showing everyone his cling on.
by StangChic January 4, 2022
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It's like when you have a shit and it dangles stuck to your ass and then you have to wiggle it off.
I need to change my diet as I've been having many Boston cling ons lately
by Snooze_hound May 7, 2015
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