Somebody who fills a condom with sand and puts it up their cousin's butt.
"Jimmy's a sand boi, I seen't it!"
by gunitthugkillakilla420 February 7, 2018
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A person, male, that is completely content with their life, so much so that it's like a dream.
The sand boy lives in his mansion and wakes up with a smile every day.
by louehnotlewis March 8, 2017
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As happy as a sandboy is an expression which implies blissful contentment and comes from the days when Publicans in the 17th-19th Century used to spread sand on bar floors to catch slops, spills, spit and so on. They used little boys ie Sandboys, to spread sand on the floor & sweep up the soiled sand. They were 'paid' in ale, normally the slops, which made them drunk/merry/happy.
John was as happy as a sand boy
by Markie Moo Cow May 22, 2017
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