Best definition
A great Irish family of Anglo-Norman decent.Concentrated in Counties Tipperary(Thurles,Fethard), Dublin and in the north of the country.Other menbers of

this family live in Britain,USA,Canada and Australia having emigrated from Ireland down through the years.

John Woodlock (Thurles)
Woodlock: define #2
The act of having a viagra stiffy for longer than 4-6 hours.
The man called the doctor after experiencing a bad case of woodlock all night long.