To push oneself to exercise more intensely (which will often cause one to experience a burning sensation in the muscles). We're going to pick up the pace now, everybody! Come one, go for the burn!See also: burn, go
go for the burn
push your body to the extremes when practising a form of physical exercise. informalThe burn referred to is the burning sensation caused in muscles by strenuous exertion.See also: burn, go