"Empowering Advanced Learners of English in Business and Academia - TOEFL / ESL / EFL"
An erection.
Context : Popular Culture Category: Scatology, Slang Semantic: erection
To 'get wood' is to get an erection.
RT @feldo: Whenever I have insomnia I count sheep until I get wood.
is your father a lumberjack [No, why?] Because when ever I look at you, I get wood in my pants. #pickuplines
Way to go Tiger. Turning the phrase "getting wood" into a negative.