alosarcasm 

What girls with alopecia use to make people who ask if they have cancer angry

She used alosarcasm when she told the old lady she was a buddhist monk.

alosarcasm by Ashton42 June 13, 2008

asarcasmia 

The terminal illness of those devoid of understanding and appreciation of sarcasm.

Your chronic asarcasmia makes it difficult to have a long conversation with you.

asarcasmia by ArgieNomad September 10, 2015