Findings:

• rye grin
• mischievous (user)
• mischievous angel (user)
• Mischievous
• When he grins it is a thousand-word story
• Impish grin
• She had the most wonderful grin in the world
• grin
• grin (user)
• Wicked Grin
• toothless grins on strange children
• Chelsea Grin
• For shits and grins
• Shit-eating grin
• Grin and bear it

If you Log in you could create a "mischievous grin" node. If you don't already have an account, you can register here.