About hunger and thirst

(une) dalle = a slab / paving stone

Some interesting slang expressions:

j'ai la dalle! = I'm starving! (literally "I have the slab"). Also acceptable: je crève la dalle! (literally "I'm piercing the slab" - or something)

j'ai la dalle en pente! = I'm thirsty! (literally "I have the slab inclined" - whatever)

que dalle = nothing at all. E.g. on n'y voit que dalle! = you can't see a damn thing!