Mais realista qure o rei - [Even] more regal than the king
A play on the double meaning of real (real and royal). Someone who’s acting “more regal than the king” is even more of a stickler for the rules and/or oppressive than the actual person in charge.
Colar na prova - To cheat on a test
Literally, “to glue on the test”. Colar is the verb for cheating on a test in Portuguese (as well as the verb “to glue/stick on” and the noun “necklace”).