Noun, relating to the word MUNGER or MONGER. Having large, muscular arms that are so big, they act as 1 muscle instead of five. (Triceps, Biceps, Bicep Brachii, Brachialis, Brachioradialis) Usually, the requirement is 15 inch circumference around the bicep and triceps to have "MUNGERCEPS"
Han: I have a 13.5 inch arms and steel like forearms.
Jason: I have 15 inch arms.