bulk-up

== English == === Etymology === Deverbal from bulk up === Noun === bulk-up (plural bulk-ups) (bodybuilding) The process of bulking up. 2004, Gwen Robbins, ‎Debbie Powers, ‎Sharon Burgess, A Wellness Way of Life (page 167) Muscle size (weight gain) program: A bulk-up of three to five sets of 5, gradually increasing to 10 reps at 70 to 80 percent effort […]