Aries: delayed "yeah!"s, says "lol" ironically in a deep voice

Taurus: has a really nice voice, loud laughter

Gemini: reenacts sounds/reactions and then laughs about it

Cancer: says "well" a lot in a high voice and meticulously caters their words to everyone else's liking

Leo: laughs at everything that comes out of their own damned mouth

Virgo: cool, even patterns

Libra: constantly sulks because they think no one is giving them equal speaking time

Scorpio: more educated responses than you can come up with

Sagittarius: will talk about any one topic for hours if given the chance

Capricorn: really excited growly noises

Aquarius: says "like" more times than is warranted in a sentence