adjective, lam·er, lam·est, verb, lamed, lam·ing, noun
crippled or physically disabled, especially in the foot or leg so as to limp or walk with difficulty.
impaired or disabled through defect or injury: a lame arm.
weak; inadequate; unsatisfactory; clumsy: a lame excuse.
1) Being useless and need to be carried. eg. You are just lame. (你係廢柴)
2) Has no skill or does not need any skill. (屈機) eg. Morderkaisar is lame. (Morde屈機/係人都用到, 無技術可言)