Bathtub Motor

A poorly engineered thing; particularly one that is over-complicated, with excess and unnecessary parts. The term comes from a Heinlein quote/novel.

"If one is building an electric motor, one uses only the parts needed to do so. You would not, for instance, add a bathtub simply because one was available."

"Why does this thing even have one of those?"
"It's a bathtub motor."

by TicklishHoneyBee June 2, 2023

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Bathtub Skipper

Somebody who claims to know everything about warships and naval warfare, but actually has little to no real world experience in the field. The naval equivalent of the Armchair General.

There he goes, hating on the Zumwalt destroyers again. He's such a Bathtub Skipper.

by RoundenBrown October 16, 2018

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Bathtub in a Lobster

Not unlike "The Lobster", in that one is performing "The Shocker" with two different women at the same time, only with three people.

This sex act is performed by three women with the hands of each of the other two performing the "The Shocker" simultaneously with in them.

Thumb wrestling around the clit, six fingers in ones vagina and two in ones ass, everyones hands are busy.

Last time we were at a girl pile we orgasmed super hard from the "Bathtub in a Lobster", I knew it was true love as we held hands inside of our other lover, but I lost my ring for a while.

by D'jisorderly March 31, 2024

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Dog in the Bathtub

When you tactfully place your balls in her ass while having vaginal intercourse. Tactful is the key word; washing the dog in a bath tub is never easy.

I thought I would have a struggle but putting the dog in the bathtub came naturally to her! #bestinshow

by Reyer May 19, 2018

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