Airdrop as the name suggests is the free token distribution. I haven't seen a single project till date who got successful by conducting only airdrop. Actually everyone got such tokens for free and they dump as soon as the price goes a little up. HODLing a airdrop token is of no use. Sell them at the first decent price range it reaches. There are enough dumpers that can kill any coin where airdropped coins are already shit coins.  Don't expect much from these airdropped tokens you are hodling.