Anal Glaucoma is when a person can not see their ass doing a certain task.
Housecat "I can't make it to work this morning, I have anal glaucoma something fierce."
Boss " Never heard of such."
Housecat "I just can't see my ass coming to work today."
Boss "I've heard em all now.!!!"
The master sergeant hoped that the Lance Corporal has a good excuse for missing formation.
Anal Glaucoma devil dog, very well marine very well, as you were.
An excellent excuse to try to not go to work.
Lazy fucking idiot: Sorry Boss, I can't come into work, I'm not feeling well.
Boss: What's the matter?
Lazy fucking idiot: I have Anal Glaucoma.
Boss: What the fuck is Anal Glaucoma?
Lazy fucking idiot: I just can't see my ass coming into work today.