Couvade syndrome - pregnancy syndrome. When a man gets a bit of a belly and doesn't feel all that great, as if he was pregnant himself, because his girlfriend/wife is.
Webinar - web-based seminar.
Collaborative overload - basically too many time-consuming meetings that affect the effectiveness of workers negatively.
Lettuce wrists - weak hands, when a goal keeper lets slip the ball through his hands
#blackoutpoetry - when you cross over all words on a page in a book you don't like/need anymore and create a poem of the words you like the most. Like here: