Often associated with sperm or ejaculation on someone else. Used with a hand "jerking" motion as if one is whacking off as a vulgar insult to someone.
Aww why do it? He just whuck-toowied on me.

You want alittle whuck-toowie with that?

Heres some whuck-toowie for ya! Ya diggggggg?
by Ya Deee Doeeeeee November 19, 2010
Get the Whuck-Toowie mug.