YHTBKM

You have to be kidding me

-I like Math, think hes hot.
-YHTBKM!

by Poly Boop December 29, 2010

ygtbkm

You've Got To Be Kidding Me. Used by people on AIM, or other types of instant messengers.

cutegirl598: josh asked me out last night!!!

em0chick: ygtbkm!

by dYl@n$gIrL July 28, 2007

yhgtbkm

Yhgtbkm: a simple way of saying, “YOU HAVE GOT TO HE KIDDING ME!”

“Oh no... YHGTBKM” “what?””i left my phone charger at home!”

by Lils :) June 9, 2021

YHTBSMR

You Have To Be Severely Mentally Retarded,

It originated from a Youtuber Named Goatis when he said something very controversial

Person 1: I bet all of my life savings on gambling and now i lost everything
person 2: YHTBSMR to do something like that

by Elite Emperor of Annunaki October 24, 2025