When a man gets both of his testicles in a womans ass. Sometimes accompanied by his penis, fingers, or other sexual objects. It is spoken that way because they say it is as difficult as keeping multiple small Canine's in a bathtub.
I went for the old "puppies in the tub", and now my left nut is sore.
by Chedabob February 5, 2008
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A man fits his penis and both nuts into the woman's vaginal canal.
You never have to worry about your junk getting cold when you have puppies in the tub.
by Moonfrog February 12, 2004
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After fucking your partner in the ass and filing them with your load, you try to stuff your balls in their pucker hole. It will be so slippery and tight it will be like trying to keep "two puppies in a tub".
With my goo seeping out of Rhonda's star fish, I tried to cram my balls inside of her. It was like trying to keep two puppies in a tub.
by tcb123 May 23, 2006
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