The car was filthy when he returned it to me, and 'to cap it off' [='to top it off'], there was almost no fuel left in the tank.
a 'shower/bathing cap' [=a head covering that people wear to keep their hair dry when they are showering/swimming]
They may not like being called careless, but 'if the cap fits, wear it'. [=('US') 'if the shoe fits, wear it']
(..) on replacement cap part one and two are complete. DMA M-one, M-two, M-three and M four are complete. - Okay. Copy that, Explorer. Dr. Stone, Houston. Medical is concerned about your ECG readings. (..)2013 Gravity