1. Shout to the Japanese emperor used before and during WW2. Commonly used by WW2 japanese suprise attack soldiers. and a shout before a suicide attack of japanese Zero pilots.

2. other word for Bonsai, a small tree.
by Jurryaany July 19, 2010
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that bonsai is bansaiing
by puddingmasta123 November 6, 2007
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The immigration of a bonsai (adj)

Bansaiing (verb)

That bonsai is bansaiing
by ghfh November 5, 2007
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Usually performed on an unconsious person. Their own finger is taken and stuck up their ass. You then perform a dirty sanchez with it and transition to a rusty hook.
Next time my light weight cousin drinks to much and passes out before 10:30 he'll be walking funny and "talkin shit" the following morning as a result of the bansai brian that he so lovingly received.
by J. Krueger April 3, 2007
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A surfing type of wave that is growing in size as you approach it. The bansai wave peaks and crashes on a surfers board or boat at the exact time to cause maximum damage and disorientation.

Bansai Wave is also known as a Suicide wave.
"Jesus John, dont paddle out yet, thats a bansai wave building out there."

"Bloody hell, i thought i was going to make that but just as i got there i realised it was a bansai wave. My head hurts now!"
by SwanseaCanoe February 26, 2010
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