1) Truthful and/or sincere
2) No bullshit
Typically said in the phrase: “Let’s be honest-decent,” when either agreeing with a statement someone else had just made, or preceeding a statement you are about to make.
1) Joey: Let’s be honest-decent… (consult lyrics to “12oz Curls” by The BLB)
2) Tom: Let’s be honest-decent. That was the rowdiest Ethnic Dinner ever.