Potholing

[Donald Trump]

The exploring of natural potholes as a pastime.

[Kit]

The practice of [dunking] your [testicles] in another [persons] anus

[Britney]

To have sex with a cheap woman.
To [delve] into deep dark damp [cavernous] cavity. From the common use of potholing refering to [caving] but with reference to a loose woman rather than a geological formation.

[Renato]

Whilst in a semi [conscious] sleep state, you [scrat] your anus, often leading to being [second knuckle deep] before you wake up shame ridden

[Cami]

a sport that involves walking and climbing in underground caves