垫补

墊補
diànbu
  1. (coll.) to cover a shortfall by using funds intended for another purpose or by borrowing some money
  2. (coll.) to snack

CEDICT

colloquial

Entry Composition

1 垫 diàn
  1. pad
  2. cushion
  3. mat
  4. to pad out
  5. to fill a gap
  6. to pay for sb
  7. to advance (money)
2 补 bǔ
  1. to repair
  2. to patch
  3. to mend
  4. to make up for
  5. to fill (a vacancy)
  6. to supplement