Possible Clues:

• Hit that clears the bases
• Base hit
• Very big drink that's rubbish, litre swallowed
• Square last letters to the French ¿ you¿ll need more than double for this
• Add twice as much nonsense about learner
• ___ threat (singer-actor-dancer, for example)
• Toughest hit to get in a cycle
• Rarity for a lumbering slugger
• Hitter's feat
• Nonsense written about Laurel originally having three parts