Tickley Steel Hump

The thrust of an angry man during sexual infercourse while he is shouting "I am Iron man" and the other person involved is laughing.

"Hey Naomi, want to come round mine for a tickley steel hump?"

Hump monkey

(Vulgar slang, also f'* monkey) Someone to be used for excessive labor. Person forced to perform all tasks not being done by others.

1 That's my personal hump monkey.
2 If you f'* your hump monkey too hard, it will break (they will quit).
3 We need a hump monkey to work the overnight shift.