1 definition by your grandmother transmother

The strongest insult of all.
If anything is compared to this, even 'ur granny tranny', it will be instantly fodderized, that's how fucking bad it is.

This is extremely fuckin' risky, it's so risky, that there's a 0.008% chance of the sun transforming into a blue supergiant star.
Ben: Hey faggot, your granny tranny.
Steve: Little does he know..
Ben: What, trans-grandmother haver?
Steve: YOUR GRANDPAP A TRAP

* The sun disappears from sight in the bright blue sky, and appears as a blue supergiant, absorbing the inner 4 planets , and destroying the asteroid belts.
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