Definitions by ICberg7

half plus six rule 

in dating, determines the lowest possible age you can (appropriately) find dates. In other words, it determines the lowest possible age before the "too young for you" category begins

Billy's 35 and really likes Jane, but she's only 23 and everybody says she's too young for him. She meets the half plus six rule, so Billy doesn't care.

half plus six rule by ICberg7 September 9, 2005