Why, oh why, would you want to swallow WD40???
Coz it makes you feel special!!!
I love the scene in Withnail & I where Grant's character, desperate for alcohol, downs a can of lighter fluid.
Then, upon seeking greater stimulation, hits upon the idea of chasing the fluid with Anti-Freeze.
His co-star, McGann, then utters the immortal line;
"Don't be a fool - You should never mix your drinks"!!!!
Grant then promptly goes from a well-timed giggling fit to retching over McGann's shoes