adverb. Or is that an adjective? Either way, there is something boinkalicious here.
Real citation: "Anyway, to return to boinkly activities, Home Truths had an item yesterday on the taste experience of drinking port by sucking it up through a chocolate finger. I cannot conceive of a more boink-worthy activity. Plain fingers or chocolate? Ruby or tawny port - surely not vintage?"
(Mike Page, April 24, 2005, http://www.vocaboly.com/forums/ftopic5069-0-asc-120.html)
Made-up citation: "Nothing is less promising of future boinkly fun than talking about your kid, your last six relationships, and your incarcerated sibling on the first date."