periodesia 

The complete inability to remember the date of one's last period, most often coinciding with the moment one begins to question if one is pregnant.

She thought she was being funny when she asked, "Well you couldn't be PREGNANT, could you?!" but it sent me into a fit of periodesia.

periodesia by LilaMcD January 9, 2009

periodisiac 

A person who is obcessed with using periods in Instant Messages. Typically uses improper grammar with the only punctuation being periods. In some cases, the periods come between words, as a comma would.

Periodisiac Example 1: "dang. that was awesome. wow."

Periodisiac Example 2: "lol..haha..awesome.."

periodisiac by MCV August 18, 2006

Periodusagitis 

Inflammation of the overuse of the period.

"The American Media suffers from a clear case of Periodusageitis."

Periodusagitis by Brownsvillegirl May 24, 2005

periodesque 

When something other than a female smells like period blood.

That seafood is extra fishy today. Almost periodesque!

periodesque by Dollarzzzzz November 10, 2018

Periodarian 

An astonishingly cunty bitch, suspected to be on their period, taking constant offense and devouring any innocent victims that attempts to engage.

Sorry bro, I gotta hop off warzone. My girl’s being a real periodarian and won’t stop bitching at me.

Periodarian by 2muskaqueers September 7, 2020