(US) A period when traffic is light / time outside normal business hours

(Canada, US, Australia) A segment of roadway that directs vehicular traffic from a freeway onto local roads. / (by extension) An exit strategy.

unofficial / secret

unofficially / secretly, in secret

(music) Pitched inaccurately either above or below the correct note. / (by extension) Not harmonious, or out of accord.

With inaccurate pitch.

Alternative spelling of jerkoff

Shortened by sawing. / (slang) Short (as though something that should be there isn't).

(slang, US) A shotgun with a barrel and sometimes buttstock which have been shortened by sawing them off; a sawed-off shotgun.

(intransitive) To dissipate as the result of heat. / (transitive) To cause to dissipate by applying heat.