butt pack(n = noun.artifact) fanny pack - a waist pack worn with the pouch in back;
is a kind of belt bag, waist pack
back pack, blister pack, bubble pack, butt, butt against, butt end, butt hinge, butt in, butt joint, butt on, butt shaft, butt weld, butt welding, cigar butt, cigarette butt, disc pack, disk pack, face pack, fanny pack, flash butt welding, ice pack, kick in the butt, pack, pack animal, pack away, pack horse, pack ice, pack in, pack of cards, pack of troubles, pack off, pack on, pack rat, pack riding, pack saddle, pack tent, pack thread, pack together, power pack, rifle butt, six pack, waist pack, water butt, wolf pack