First cousin's great-great-grandson.
My first great-great-great-cousin-nephew is a good person.
by Gtopql November 23, 2019
Get the first great-great-great-cousin-nephewmug. Half-sibling's great-grandson.
My half-great-great-nephew is a good person.
by Gtopql November 23, 2019
Get the half-great-great-nephewmug. by I8ur3.14 April 3, 2019
Get the Betchu nephewmug. by anonymous March 20, 2021
Get the uncle in law nephewmug. someone with limited talent who none the less advances in a line of work based on the success of their much more notable and interesting uncle
Ted's just a fail nephew, the only reason anyone takes him seriously is his uncle William Nordhaus is a famous climate economist
by HuertDog May 11, 2020
Get the fail nephewmug. by Hgcloziw November 23, 2019
Get the second great-cousin-nephewmug. 
Get the nephew-by-marriagemug.