I like this one
> *A business man got on an elevator. *
> *When he entered, there was a blonde already inside who greeted him
> with a bright, "T-G-I-F."
> He smiled at her and replied, "S-H-I-T."
> She looked puzzled and repeated, "T-G-I-F," more slowly.
> He again answered, "S-H-I-T."
> The blonde was trying to keep it friendly, so she smiled her biggest
> smile, and said as sweetly as possibly, "T-G-I-F."
> The man smiled back to her and once again, "S-H-I-T."
> The exasperated blonde finally decided to explain.
> 'T-G-I-F' means 'Thank Goodness It's Friday.' Get it, duuhhh?"
> The man answered, "'S-H-I-T' means 'Sorry, Honey, It's Thursday
> --duuhhh
And F-Y-I I posted this on a Thursday lol