Pretty Much Heaven.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

Stands for Pre-Menstrual Horniness. It is an unfortunate symptom of PMS (Pre-Menstrual Syndrome).

Pre-menstrual horniness. A side effect of PMS.

Poor Mental Health

Abbreviation of 'Poor Man's Hash', the mixture of resin and marijuana fragments obtained by scraping the inside of marijuana pipes, which, depending on the quality of previously-smoked weed, looks and tastes similar to hashish.

web acronym for "pissing myself here" (as opposed to LMAO}