Taster

Ones mouth or oral orifice.

That guy just got smacked right in the taster.

Smeagoling

Verb- A sexual act in which a man is having sex with a woman doggy style, right as she is about to orgasm, the man leans in next to her ear and breathes like Smeagol from lord of the rings.

"Dude I smeagoled that bitch so hard last night!"
"We were smeagoling all night long."