sideswiper
nounEtymology From sideswipe + -er.
1
One who sideswipes.
2
A type of telegraph key, similar to a straight (pump) key, but whose keying action is in a side-to-side, rather than an up-and-down, motion.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.