by I fuh yo bih November 30, 2018

by g.t.s35 May 30, 2019

To be as sharp as grandpa used to keep his knives― very, very sharp. Sharp enough to shave with or cut through paper easily. Much sharper than dad-sharp.
by kinru July 17, 2019

When a man wears his pants high, like an old man. Sometimes, just above the navel, seen as high as the nipple line.
"Hey, check out old grandpa pants! His waistband is in his armpits." "Damn Scott, you rockin' them grandpa pants pretty high today!"
by fireninja83 June 21, 2016

by Jersey Jon May 18, 2021

When your grandpa or friend goes into a rant about something that you can't just walk away from so you're forced to listen to him until he finishes
Friend 1: Did I ever tell you about the time when--
Friend 2: If you go off into a grandpa rant, I'll punch you in the face.
Friend 2: If you go off into a grandpa rant, I'll punch you in the face.
by Deedjahkno December 29, 2007

Thrasher: Is That A Grandpa Guitar?!?!!?
Non-Thrasher: A What?
Thrasher: A Grandpa Guitar-Acoustic Guitar!
Non-Thrasher: Oh Yeah Do You Dig It?
Thrasher: HELL NO!!!!!!1
Non-Thrasher: A What?
Thrasher: A Grandpa Guitar-Acoustic Guitar!
Non-Thrasher: Oh Yeah Do You Dig It?
Thrasher: HELL NO!!!!!!1
by Will The Thrasher April 25, 2010
