Green’s Dictionary of Slang

reef up v.

(W.I.) to bring up, to remember.

[US]P. Marshall Brown Girl, Brownstones (1960) 24: Oh Christ-Jesus, woman, why reef up that? [Ibid.] 30: ‘Silla, hush. It don do no good to reef up’. ‘Reef up? Virgie, I has never forgot.’.