Green’s Dictionary of Slang

1. (UK black) a sanitary towel; thus as a term of abuse.

1986		R. Hewitt White Talk Black Talk 180: Cha man! See mi sixtyone rass-up! Ya bambclaht.
2000		Z. Smith White Teeth 157: ‘What dat bambaclaat say?’ ‘I’m say evenin’.’ ‘Can’t ’im see me playin’ domino?’.
2004		A. Ruiz Island Heat 106: ‘Bumboclaat!’ Becky laughed out loud. ‘You are elevating you sister way the fuck out of her league!’.
2007		K.S. Harris More Erotic Jam. Tales 47: ‘Whe de bumboclaat yuh ah do woman?’ he asked in terror. ‘Yuh mad? Mi is a police man! Yuh can’t ramp wid mi dem way yah!’.
2020		G. Krauze What They Was 213: Ah wa di bumbaclart you ah chat bout set up.

2. attrib. use of sense 1.

2006

C. Channer Iron Balloons 82: Then make you nuh bruk down the almshouse argument and shell the bumboclaat peas?