the period of time usualy at 14-17 when a female (or male) teenager changes from an annoying adolescant idiot to a relativly good looking person

this is usualy most apparent in some females
bob: hey have you seen claire lately?

jon: yeah she's got well hot lately
Derik: she's clearly been through a "get fit stage"
by Readybreck September 18, 2009
Get the Get Fit Stage mug.