It’s basically continuation of “ur mum gay”which is used by few cus they don’t know what it means
Carl:your mum gay

Garl:no you
Karl:your dad lesbian
Garl:your granny tranny
Karl:*kills himself*
by >Joshy< March 13, 2018
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If someone says ur granny tranny there is truly no comebacc, not even ur grandpap a trap

Only one thing is more powerful than "ur granny tranny". Be careful how u use that power.
That sentence is "ur tranny granny". So u call ur enemy gay/tranny lover and and an alabamian and his/her granny tranny
Bruce: ur granny tranny
Lee: ur tranny granny
Bruce: *dead, eaten and fucked by furries*
by Urgranagranhahaxd March 16, 2018
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Old Men(perferably over 50) engaged in sexual activity dressed up as Old Lady's
I was totally into that old lady till I found out she was a granny tranny
by Surg June 1, 2006
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A transmission with a low gear (granny gear), usually used on trucks and other towing vehicles, to make it easy to take off on a hill with a heavy load.
This truck has a granny tranny so it's easy to learn how to drive stick shift with it.
by Eaglescout1984 January 15, 2009
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When your nan gets a cock sewed on to her.
Man, your nan has a big bulge! does she use a cushion for her fanny pad? No, she has no fanny, she's a granny-tranny!
by Bill the Fish August 14, 2006
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an old man who in his photo or in person appears to be female, and folks who don't know the subject cannot determine his gender.
Dude, when I saw your photo online I thought you were a woman!!! You granny tranny!!!
by dusano December 11, 2008
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