Beryllium baloney

Beryllium baloney is food from the Generation 1 continuity family.

Beryllium baloney is apparently a Cybertronian food item, though it has only ever been referenced when being used as a euphemism for "nonsense".

Fiction

The Transformers cartoon

In 1985, Huffer opined that Wheeljack's belief in the Dinobots' ability to learn finesse was a load of beryllium baloney. Dinobot Island, Part 1

In 2005 on Quintessa, Slag claimed Grimlock, who was certain the missing Hot Rod and Kup were close by, was full of the stuff. Grimlock quickly countered with his belief that Slag was full of cesium salami. This battle of wits did not have the chance to escalate, however, as it was ended by Wheelie's sudden appearance. The Transformers: The Movie