Fitzgibby 

when you cum so hard it hurts.

dude i gave my girlfriend a fitzgibby and you could hear her from miles away.

Fitzgibby by Alyssa143 August 13, 2007

Fitzgibbon 

Total bad ass irish name, that u wish u had bitch. whoever has this name is a total hunk and is wicked hot and has a huge dick

Dude you wish you a Fitzgibbon

Fitzgibbon by James Capone February 18, 2009

Fitzgibbons 

A very genuinely nice and interesting person who listens to what you have to say and is very beautiful

Have you heard of the new girl with the last name Fitzgibbons shes so cool
No not yet

Fitzgibbons by Finesse5082 October 3, 2016

Fitzgibbon 

Fitzgibbon; A huge girthy cock, out flanking any other cocks on earth.

My work mate scooter has a huge Fitzgibbon. A Scott Fitzgibbon

Fitzgibbon by Mr McRight January 22, 2021