selling like mad; selling like hotcakes; flying off the shelves
break (rest); break (tennis, boxing, snooker, etc.); suddenly becoming popular; becoming a hit
buzzword; vogue word; popular phrase
first volume (in set); volume one; book one
everyone; everybody; all; everything; all
four times; four colour process printing (color); CMYK printing
emergency meeting; urgent meeting; emergency session; emergency conference
make-up; making food (in a delivery-only restaurant); cooking
ruffian; villain; peculiar person; idiosyncratic person; tricky thing; something that is more than it seems
staged event; faked situation; prearranged performance
rude; impolite; mannerless; snotty
leaving a club; quitting a club
to accompany; to follow; to keep up with
snack food (esp. potato chips, popcorn, etc.); munchie
company secret; industrial secret; trade secret
small child; kid; kiddy; tot; rug rat; ankle-biter
big craze; boom; popular trend; widespread contagion; large outbreak
research division; research club (e.g. at school, university)
breakthrough; great discovery
supernatural phenomenon; paranormal phenomenon; anomalous phenomenon
big hit; smash hit; popular item (e.g. movie, music)
flagrante delicto; caught red-handed
two people alike; two of a kind; kissing cousins; cut from the same cloth
lazy person; lazy fellow; slothful person
practice game; practice match; scrimmage; workout
force (bulldoze) one's way through
to grow taller (of people)
this year; this fiscal year; this school year
hey; hello; wow; oh; oomph; heave-ho
big fan (of something or someone); great fan
bang on the money; spot on; right answer
alumnus (alumnae); graduate; former member of an organization; former inhabitant (country, region, etc.)
to pamper; to make a fuss of; to spoil; to fawn over
host (of a party, summit, etc.); host (of male host club)