"apparent sarcasm" is correct and usable in written English.
You can use it to describe a comment or expression that is obviously meant to be sarcastic, even though the speaker or writer did not explicitly indicate that they were being sarcastic. For example, "The little smirk on his face showed his apparent sarcasm."
LONDON — Britain's Foreign Office has apologized publicly for a "foolish" internal memo circulated to government departments that suggested, with apparent sarcasm, that the "ideal" itinerary for Pope Benedict XVI's visit to Britain in September might include the pope's opening an abortion clinic, blessing a gay marriage and introducing a "Benedict" brand of condoms.
In a speech in May, Mr. Roberts used with apparent sarcasm the phrase that Mr. Tenet, the former intelligence chief, is said to have used at a White House meeting in December 2002 in asserting that there was no doubt that Iraq possessed chemical and biological weapons.
Such a magical moment when you see your creation actually starting to do what it was made to do, and it actually works!" wrote one with no apparent trace of sarcasm).
His mocking sarcasm — and apparent unfamiliarity with how common such practices are in international trade — wiped at least $6 billion off the value of Mechel securities.
But as will be apparent from this column we have developed an unlimited capacity for sarcasm born out of banging our heads against the same wall for decades.
See How to Detect Sarcasm in Writing for suggestions for how to make your sarcasm more apparent.
Some items in the "inappropriate initiation" subscale may tap into impulsive ADHD behaviors (in particular, the CCC item "he/she talks too much"), but items in the "conversational context" subscale (e.g., "he/she can understand sarcasm" or "he/she says things which are tactless or socially inappropriate") have no apparent link with ADHD features.
But it drips with sarcasm, and sarcasm is opinion.
And sarcasm with a wink isn't sarcasm.
