From: postcoital leakage of ejaculant from the anus.
1) Expression of disgust/ dissatisfaction/ anger
2) Describing a poor quality bevarage
3) A cocktail of milk, coconut rum, irish cream liqueur and vodka
1) Oh Arsemilk! I've left the oven on.
2) A coffee for me please, American tea is arsemilk!
3) Well, after six beers I feel like a change, mix me an Arsemilk barkeep, and make it sticky.