Native speaker
In Emirati Arabic, “Heavy” is ثجيل (thijeel).
ثجيل
Heavy
It's in the phrasebook under Yes, no & everyday basics, with 90 more like it.
guwee
rakhees
matroos
khafeef
ajnabee
mahallee
Source: DLIFLC Emirati Basic Language Survival Kit (2007). Credits and licences