Funny Brother Fart Warning Birthday Card

Hilarious warning sign shape roasts bro's legendary gas attacks.

Caution design pokes fun at his notorious bodily explosions.

Inside cheers: "Happy Birthday!" with cheeky sibling love.

Perfect 149x229mm size for personal roast messages.

FSC-certified eco-paper for sustainable brotherly banter.

Envelope included for epic, stink-free presentation.

Ideal for brothers who weaponize wind with pride.

Turns birthdays into gut-busting, unforgettable roasts.

This explosively funny 3D Brother Warning Sign Birthday Card detonates sibling rivalry at its gassiest, shaped like a hazard beacon screaming caution about his world-famous fart apocalypse, "Happy Birthday!" inside lands like a muffled chuckle through noxious clouds, capturing those legendary car-ride suffocations, family dinner clearances, and "whoever smelt it dealt it" battles that forge unbreakable bro bonds through tear-gassed laughter. Sized at 149x229mm with prime space for your kill-shot roasts about that sleeping-bag incident or post-beans massacre, its FSC-certified design delivers eco-punches while evoking backyard blame games, sleepover stealth bombs, and the primal pride of gassy glory only brothers understand, wrapping him in nostalgic stink-eye memories that prove love smells like victory farts. With envelope for stealth delivery, this card becomes their annual weapon of mass hilarity, transforming birthdays into championship stink-offs where every whoopee cushion echo celebrates the gross-out greatness that makes brotherhood legendary.