Noun

1. Any substance considered particularly foul, unhygienic or unpleasant

Etymology 2

Noun

1. A lewdly unattractive and disreputable person, often female, especially one with an air of tawdry promiscuity.

   It's also my job to take care of the skanks on the road that you bang. - Tom Cruise in the movie "Jerry McGuire."

Verb

1. To dance the skank

   Come on, skank along, it's the skanking song.

Noun

1. The act of cheating a person through disloyal and selfish means with no shame to use deception in the process (most commonly to a known associate or friend).
2. refering to having insight or recognising a process to potentially being greatly non favourable to the (victim/) first person's benefit or interest.

   "that's not a good deal, it's a skank"

Verb

1. To cheat, especially a friend.

   "Tom skanked Harry" or "Harry got skanked by Tom"

   He shortchanged a partner, leaving him feeling skanked.