BTD, Buy The Dip (stocks). In a bull market people buy stocks when ever they dip believing they will be more expensive after a while.

Mercury retrograde is the act of taking a shit whilst mooning one or more human beings. Your day can typically being going well, according to your horoscope, until you are forced into witnessing Mercury retrograde. Performing Mercury retrograde will often speed the astrological cycle forward for the individual performing the Mercury retrograde, bringing about happy and fruitful times to come.

When people are being really stupid and irritating and disrespectful, and things are really corrupt you use this abbreviation which stands for "Bitches These Days"

BTDS is an acronym that stands for Bigger Than Dick Shit. When you take a huge ass shit, look into the toilet and wonder "I think that's bigger than my dick" you've taken a BTDS.

used to express the feeling of being "Bored To Death",
it is used when you have nothing to do that is interesting.

Bring that dick. It's a blunt and concise request, disguised with text. It means they're horny and restless, for consensual sex.

Stands for Big Tall Douche. Someone who is large in stature and acts like a douche just because he is tall.