oomph

Strength, power, passion or effectiveness; clout.

Use a mild cleanser, but pick something with enough oomph to do the job.

"Yes, well they're finding it difficult, sir. They are afflicted with a certain lassitude. They're just finding it hard to get behind the job. They lack oomph."

Sex appeal.

'Come to think of it, the girl looked a bit like Ann,' Jerry reflected. 'Foxy, know what I mean? Garbo eyes, lots of oomph.'

A bassy grunting or thudding sound.

To produce a bassy grunting or thudding sound.