Plain meaning
Start with the shortest useful explanation before going deeper.
Token Generation Event—the moment when a project's token is first created and distributed on-chain. TGE typically involves deploying the token mint, distributing initial allocations (community, team, investors, treasury), and listing on DEXs. On Solana, TGE often coincides with an airdrop or launchpad sale. Vesting schedules begin at TGE for locked allocations.