bellyload

noun3

1. •
   (informal) The amount that will fit in one's belly.

   • “I done cooked most of this yer grub,” whined he of the razor, “an’ I’se gwine t’eat my belly-load.” — 1895
2. •
   (informal) A large amount or number (of something).

   • She caused a bellyload of trouble […] — 1993
3. •
   (informal) The amount or number that will fit inside an aircraft.

   • The plane was in labor carrying a belly-load of bombs. — 1980