look up any word, like hipster:
 
1.
When you smack a part of your body i.e your bum or head or leg, and exclaim loudly.
If someone is happy or excited they will smack their leg and exclaim and that is what Smackadoo is.
by lollipop33 May 26, 2009

Words related to Smackadoo

adoo exclaim happy loud smack