Related Clues:

• Strict grammarian's bane
• Isn't informal?
• Nordic God of Thunder
• Is not on the street?
• 'Is so!' rebuttal
• Grammar teacher's bane
• '___ She Sweet?'
• God of thunder
• Nonstandard contraction
• Mythical hammer-wielder
• Son of Odin
• '___ She Sweet'
• Grammarian's no-no
• Valhalla VIP
• Scandinavian god