Your mum's crevice is invertly proportional to the mass of Ben Nevis.
Mum's loves a few dollops of Piri Piri mayo,
All over her perineum (splay-o).
Upsettingly, some blokes choose to go kamikaze,
Diving recklessly up mum's doom-khazi.
Wrong-knob dad in the fetish-booth, cock remains 'un-stout',
this is directly connected to the fact that he's got no 'sexual clout'
Dad's annoyed at the lack of replies,
To his post on Mumsnet: "Adult Male Learner Bra Size."
It's weird how mum only gets ploughed,
By the extremely well endowed.
Embarrassment father (museum trouser piss),
Attitude to penile-cleanliness:
Remiss.
Dad's "writing sex-cheques his prick can't cash",
While generating pornographic AI images of My Little Pony Rainbow Dash.
Mum feels there is no solid basis,
For the involvement of any solid faeces.