Onboard the invisible plane, Steve lets slip a few secrets to Diana before realising his foot is touching the lasso. "GOD, I hope you Amazons can't mass-produce this thing!"
Let's not forget this exchange:
Hippolyta: What other depraved thoughts might you be thinking?
Steve: God, your daughter's got a nice rack.
Best bit: The Lasso of Truth wasn't even glowing!
And earlier, Trevor is forced to define the word "crap" for Hippolyta.