adj. (common).Given to bouncing (q.v.)! boasting; uppish; bumptious.
1830. S. WARREN, Diary of a Late Physician, xvi. As soon as we had exhibited sundry doses of Irish cordial to our friend Tipunder the effects of which he became quite BOUNCIBLE, and ranted about the feat he was to take a prominent part in.
1849. DICKENS, David Copperfield, iv. I heard that Mr. Sharps wig didnt fit him; and that he neednt be so BOUNCEABLEsomebody else said bumptiousabout it.