A conflict resulting from too many fun events scheduled at the same time, leaving a person at odds over what to choose.
Being invited to Tony's 21st birthday party that was scheduled the same night John had tickets to see his favorite band left him with a real funundrum.
a riddle whose answer is or involves an unexpected twist or a logical postulation that provides nothing but an incredulous problem that evokes strong emotion
If I marry him, my family will be thrilled but I will be miserable but if I don't I will still be miserable because he is still part of the family. What a fucundrum!