Related Clues:

• Expire, as a subscription
• Senior moment, say
• One may precede a recall
• Short period of forgetfulness
• Small error
• ''A Momentary ___ of Reason'' (Pink Floyd)
• Go past the date on the jar
• Mini-slip?
• Momentary goof
• Memory ___
• Breathe out
• Memory mishap
• Accidental gap
• Negligence
• Fall into disuse