Words that sound dirty but aren't.

[Johnny OrganDonor]

Bangkok
vinophile (and/or sommelier)
scrod
ungulate
manhandle
tool pusher (drilling term)

[Buckethead]

philatelist

[Mojo S2R]

Analyst - generally is a term for an individual or tool of whom or which the primary function is a deep examination of a specific, limited area  (copied directly from Wikipedia)

[Grappa]

Trim.

Rim.

Slit.

Deboner.

Pork.

Randy.

[ungeheuer]

Shitaki

Shih-Tzu

[ungeheuer]

Randy Mamola

[lazylightnin717]

Analog

[fastwin]

masticate...

[Jobu]

Any other geologists?

Palinspastic reconstruction of the peneplain.
Subduction leads to orogeny.
Ontogeny recapitulates phylogeny.
Geologists do it facie to facie.

Explosive eruption
Igneous intrusion
dyke
dyke swarm (whoa, look at that huge swarm of dykes)
spreading center
dry hole
gusher
silicon (only because it is oft confused with silicone)

and of course,
cleavage (check out the awesome cleavage on this one, I bet there is a lot of silicon in there)