5 year old boy...goes from sweetness to pain in the **** in 2 seconds.?

Hi. My son hasnt seemed to get out of the terrible 2's and 3's. He CAN be oppostionial, defensive, angry, defiant and disrespectful. He is also very sweet, loving, compliant and really a great kid with lots of character and personality. When he is in his moods tho, I am frustrated and embarrased. I sometimes ignore him, sometimes I get mad (not pretty) and other times I feel like Im kissing his little to try to pull him out. Anyone else dealing with this??