Is your grandmother Japanese? 

Complete disbelief at your lack of situational awareness.

"Oh my God, do you know where you are? Use the handrail on the escalator. Is your grandmother Japanese?"

Is your grandmother Japanese? by JormanThoad December 1, 2020

How old is your grandpa? 

A way to ask someone what score they got on a test. Used in the presence of teachers who don't want students sharing their test results.

Prima: Hey Dave, how old is your grandpa?
Secunda: 88. How old is yours?
Prima: 100.
Secunda: You son of a bitch.

How old is your grandpa? by Schlang April 16, 2008

Your grandpa a trap 

No insult surpasses this one. It is the ultimate roast.

Brock: ur mom gay lol.
Adam: stfu Your grandpa a trap.

Your grandpa a trap by JJSTUDIOSIZATION May 10, 2018

Your Grandpap a Trap 

Your Grandpap a Trap is the worst insult that overpowers even your mom gay, your dad lesbian, and your granny tranny combined! Only use in dire situations because if it is used, the insulted will die on the spot

John: Your mom gay lol!
Fredrick: Your grandpap a trap.
John: Nooooo! (Dies)

Your Grandpap a Trap by Storm_15 April 14, 2018

your grandpa 

the next version of your face comments; commonly followed by the words "last night".

1: sprry, i was too busy last night
2: your mom was too busy last night
1: i was too busy with your grandpa last night

1: i was exhausted
2: your grandpa was exhausted last night

your grandpa by Jillay December 7, 2006

teach your grandfather to fuck 

to try to teach somebody something that he knows far better than you.

He knows how to write good English. And that is too far better that you. Do not teach your grandfather to fuck.

teach your grandfather to fuck by uttam maharjan August 17, 2010

your grandpap trap 

A comeback or insult worse than your mom gay , your dad lesbian, and your granny tranny all combined.

British nigga: yo chap your mom gay haha, ur granny tranny lol
me: shutup, your grandpap trap
British nigga: *fucking dies*

your grandpap trap by wtfisanUhqi May 11, 2018