a good feeling after an ordeal

to be work one's self into a frenzy of anger, stress, or otherwise unpleasent moods towards another person

Biz-ness. Meaning cool or legit.

What all people and animals do when they answer the call of nature, otherwise it’s a mentality that usually takes the ‘human‘ out of ‘human being’

Non-descriptive excuse someone gives you when they're trying to get out of meeting or spending time with you. Similar to "I have plans". Basically means they're not that into you.

someone being over complexed about something.

to have done business or will be doing business with someone