When you ask to paint someone's wood, you are asking to get in a sexual situation with them and cumming all over them. Another way to use it is to ask to get your wood painted, asking to get into a sexual situation and getting cummed on. You also use it by saying that someone's wood got painted.
Example 1-
Guy: to guy or girl: Can I paint your wood?

Example 2-
Guy or girl to guy: Will you paint my wood? OR Can you get my wood painted?

Example 3-
Person to other person: Did you hear that Bob painted Jordan's wood?
by SWAGSEX December 27, 2014
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