The lower limit on the age of a potential partner for a person over 14, by socially acceptable standards. Used as a rule of thumb.
The converse is twice (your age minus seven).
The following online calculator makes the math easy and also calculates how long until an UNacceptable relationship becomes acceptable:
Dave: Yeh man, I totally banged that Kath chick last night.
John: Are you a pedo?! She's 15!
Dave: Nah, she's 15 and a half, half-your-age-plus-seven, I'm 17, so half my age is 8.5 and plus seven is 15.5.
John: ...Doesn't change the fact that she's my sister...
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug