Didapper

• (n.) See Dabchick.
Found on http://thinkexist.com/dictionary/meaning/didapper/

Didapper

Di'dap`per noun [ For divedapper . See Dive , Dap , Dip , and confer Dabchick .] (Zoology) See Dabchick .
Found on http://www.encyclo.co.uk/webster/D/62

didapper

someone who disappears and bobs up again
Found on http://phrontistery.info/d.html