by gomez November 25, 2004

When someone at your work keeps telling you the same story over and over again. They have told so many people they cant remember who they told.
Bob is getting Shop Senile, he's told me that same story about him being pronounced dead in the bathtub 5 times.
by Dullishpage January 17, 2019

Having a penis that can no longer erect, ejaculate or no longer be used for everyday, hackneyed activities.
Tim has a senile penile, he no longer has sexual activity. It might also be due to the fact that he has a penehead
by Vrider January 24, 2008

Uttered after a memory lapse or a brief interruption to intelligence affectionately or laughingly attributed to age.
1) A: Where did I put my pen?
B: It's there in front of you!
A: Doh! Senility rocks!
2) A: Did I tell you I'm going out tomorrow?
B: You did - seven times now.
A: Oops - Senility Rocks
B: It's there in front of you!
A: Doh! Senility rocks!
2) A: Did I tell you I'm going out tomorrow?
B: You did - seven times now.
A: Oops - Senility Rocks
by MarcFxxx November 3, 2010

I was in a senile sandwich on the plane ride home, seated between two old ladies who couldn't hear each other's conversation.
by dream luvva April 6, 2015

When the old guy in the car in the left turn lane in front of you has his right turn signal blinking.
by tanker177 February 18, 2011

" my dad's a senile delinquent "
by paul April 14, 2005
