40th base
Two trains on the same track are moving towards each other, each at a speed of 40 miles per hour. On the top of one train stand 50 naked guys with boners. On the other train stand 50 naked girls who are horny. What happens to the ones that don't fall off when the two trains run into each other is called 40th base.
The Urban Dictionary Mug

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Just what we ordered, arrived in perfect condition, arrived on time! Excellent!
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