Anatomical Terms In General Use.

[jaF0]

A short piece of pipe threaded at both ends is called a pipe nipple.

A drain on a radiator is called a pet cock.

A type of pipe fitting to attach a hose is called a sill cock.

Butt is fairly common.

Plugs and sockets are referred to as male or female for obvious reasons.

'Toe' the line.

Some engine work is a 'head job'.

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Many of these may be regional to the US, so what other examples are there?

 

[Aphro]

Elbow grease.

Tongue in groove.

 

[neakman]

coccyx

piloerection

Uvula

 

[dirtwrench]

Those little points sticking out of the tread on new tires are usually called

tits.

 

[sybarite_1]

Lats, pecs

 

[sybarite_1]

male end, female end (referring to pipes)