The act of ejaculating in to one's hand, throwing it down in to another person's face as if releasing a yo-yo and slapping them in an upward direction as if pulling the yo-yo back.
Person 1: Dude, how did your date go?
Person 2: It was so awesome!
Person 1: you get any action?
Person 2: HELL YEAH!!! I Yo-Yo'd all over her man!!!
Person 2: It was so awesome!
Person 1: you get any action?
Person 2: HELL YEAH!!! I Yo-Yo'd all over her man!!!
by Jacobsa1029 June 2, 2011
 Get the Yo-Yomug.
Get the Yo-Yomug. by Spatter Artist April 9, 2006
 Get the yo yo yomug.
Get the yo yo yomug. "ey yo dawg how u been?"
by Diamond Princess April 4, 2003
 Get the yo yo yomug.
Get the yo yo yomug. by Svenyboy August 27, 2005
 Get the yo yo yo homie yomug.
Get the yo yo yo homie yomug. by 2q-49fh-jfsd9 July 31, 2005
 Get the yo yo yo homie yomug.
Get the yo yo yo homie yomug. by Tom Barrett October 28, 2003
 Get the yo yomug.
Get the yo yomug. When you're trying to hold back a monster sized shit and it keeps pushing its way out; followed by you pulling it back in.
by Hu Jia September 21, 2004
 Get the yo-yomug.
Get the yo-yomug.