the act of surprising a girl with anal sex when having vaginal sex. the act maybe wanted or unwanted.
Jessie and Jack where having sex when suddenly Jack ambushed Jessie.
by whitethickness17 September 14, 2011

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Top Definition
a play on words denoting an instance where one places a phone call, or sends a text or email, while intoxicated on Ambien.
I chased an Ambien with a Mimosa and then Ambushed Eric with a phone call telling him how much I loved him.
by Crackapleez May 04, 2010

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When your significant other wakes you in the morning with "We need to talk" or something of the like. Usually the result of going through your stuff while you were sleeping and finding something you didn't want them too. This is done primarily to keep you from being able to formulate a good lie as you have just been woken up.
Jon: Me and my girl got in a fight.
Dave: What happened?
Jon: She totally a.m.bushed me with, "Who the hell is Jenny and why is she texting you?
Dave:That sucks!
by Skientz January 28, 2009

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Situation: a top level executive is sponsoring a project which is in trouble or failing (in the red) but s/he don't know it. S/he gets surprised with this fact by a peer (rival) in a top level meeting, perhaps perhaps in front of the CEO or the board.
"My boss was really furious this morning. He got ambushed in the Board Meeting on the XYZ project. Even though it's been hopeless for months, we'd been telling him it was a challenge but we'd make it."

"Why didn't you tell him sooner?"

"Because he would be furious at us."
by jemand September 26, 2008

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This is a sexual term... The ambush is where the male, while taking the female/male doggystyle, warns that he's about to ejaculate. He then spits on his partners back. The partner turns around and then he cum's in there face, thus catching them by surprise.....
She was late with the dinner last night so I ambushed her in bed. Her face was covered in Bollox Yought
by Buckley August 22, 2006

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To call an unknowing third party onto a conference call with no warning.
Those fuckers called me to gang up on me and didn't give me warning it was a conference call. They ambushed me.
by Chosney September 11, 2003

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The act of taking a crap, finishing the roll of toilet paper, and neglecting to replace the empty roll with a new supply. This sets the stage for the next unsuspecting individual to sit down and pass a bowel movement not realizing there isn’t a square-to-spare (i.e. square of toilet paper, from Seinfeld). The ambush can easily be prevented by keeping a spare roll of toilet paper under the sink provided the dumb ass who is saved by the spare replaces it.
Oh Sweetie (i.e. significant other)! Someone forgot to replace the toilet paper again and I got ambushed!
by Skip321 March 02, 2008

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