A sexual toy that is inserted into the anus...preferably "vibrating". Often available with a "safety tether".
As I walked away from the mirror I found that my butt egg had become disengaged due to its safety tether.
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A very small gathering of debris or detritus lodged in such a way that two parts or assemblies can not come together.
There is so much gradue in here that these panels will not butt together.
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