(1) verb. The act of sucking or licking ejaculate (or other substances mixed with ejaculate) out of the orifice in which they were deposited. Most commonly used to refer to sucking out semen after anal sex, but technically sucking the semen out of your girlfriend's pussy is also felching

(2) Noun, referring to the substance ingested during the act of felching--generally a mixture of semen and other bodliy fluids (feces, sweat, vaginal fluid, etc.)

the whale tail is the shape formed when a g-string rides up high over a womans trousers

A horribly named town in Upper Michigan. If you don't believe me look it up!

To orally extract semen from someone's rectum

To orally extract semen from someone's anus. Sometimes a straw is used for this purpose.

sucking the semen out of some lucky fellow's behind.

The oral retrieval of semen from an anus or vagina