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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Ey yo granny tranny. Wanna fuck me with your big juicy 2 inch cock
by Samuelsarus July 8, 2017
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Him: Your mum gay
Me: Well your dad lesbian
Him: well your sister a mister
You: Your grannie trannie
Him: *kills himself*
by JillyBigWilly April 11, 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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The most devastating insult known to mankind. Easily repels all insults, including "your mom gay" and "your dad lesbian" and will absolutely decimate your opponent's pride as well as their will to live. Due to its destructive nature, it should only be used in grave situations.
Bob: Your mom gay!
Jim: Your dad lesbian!
Bob: You leave me no choice, Jim
Jim: No! Don't do it!
Bob: your granny tranny
*Jim collapses from cardiac arrest*
by <**> March 16, 2018
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