[ZenGum]

It's good, but you'll have to tell her it means something else...

For starters:

Open Minds Gather With The Finest! Be Back Quickly

But I am sure we can do better. Something that you can plausibly insist is an anti-meat message. She'll know you're lying, but won't be able to prove it ... and how much fun would that be? Something a bit like:

Only Monsters Gorge When Terrible Farmers Bash Baby Quackers, or something...