noun

• (naval slang) A member of the engineering department on a ship.
• (ice hockey slang) A goal.

verb

• (intransitive) To hunt snipe.
  "The pleasures of Bay bird shooting should not be spoken of in the same sentence with cocking or sniping."
• (intransitive) To shoot at individuals from a concealed place.
• (intransitive, by extension) To shoot with a sniper rifle.
• (transitive) To watch a timed online auction and place a winning bid against (the current high bidder) at the last possible moment.
  "I am the type who is liable to snipe you With two seconds left to go, whoa."

noun

• (slang) A cigarette butt.

verb

• (intransitive) To make malicious, underhand remarks or attacks.
  "Capitalizing on the restive mood, Mr. Farage, the U.K. Independence Party leader, took out an advertisement in The Daily Telegraph this week inviting unhappy Tories to defect. In it Mr. Farage sniped that the Cameron government — made up disproportionately of career politicians who graduated from Eton and Oxbridge — was “run by a bunch of college kids, none of whom have ever had a proper job in their lives.”"
• (transitive) To attach a note or sticker to (an existing poster) to provide further information, political criticism, etc.
  "Campus newspaper advertising rates are inexpensive, flyers can be simple because the ticket-price message is strong, and regular campaign posters are easily adapted to the student market by sniping them."