Ah yes, it just so happens I have a bottle of this in my liquor cabinet - - - way at the back of the liquor cabinet
I will now have egg on my face since I have already sent him an email asking for suggestions; he will slice & dice me with no forgiveness.
Vile is not too strong a word...

Go chew on the end of a sappy pine tree for awhile; that's pretty close.
Our 'friends' try to serve this to us at the end of yet another night of excessiveness. They euphamistically call it 'Roof' as it is served, at that point of the meal, poured gently atop a cup of very strong black coffee. They were successful the first time, not subsequently.
My recommendation is to re-gift it, preferably to those just learning the pleasures of the demon.