fertile octogenarian(redirected from Illustrations of the rule against perpetuities)
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n. an unrealistic fiction that any person (male or female) is capable of having a child no matter at what age, infirmity or physical deficiency. Thus, if property title could not pass to one's child as long as he or she might have or acquire a sibling, then he/she must wait until mother and dad have actually died, unnecessarily tying up the property. Most states have passed laws to cure this anomaly.