Left-handed people, taken as a whole.

(colloquial, US, African-American Vernacular, chiefly sarcastic) Used to dismiss another person's argument by indicating that one is not prepared to hear or read anything further from that person. It is often used while simultaneously holding up the hand with the palm facing the speaker.

Using or designed for use by both hands at once. / Involving, or designed for use by, two people. / Ambidextrous. / Having two hands. / (UK, slang, dated) Good with one's fists; able to fight well.

In a two-handed manner.

(nautical, idiomatic) To make haste; to help quickly (used mostly in the imperative).

(fencing) The hand in which one's sword is normally held.

(idiomatic) A person who is experienced at a certain activity.

Third-person singular simple present indicative form of glad-hand

Superficially friendly.

simple past tense and past participle of glad-hand