Ananya:

formal suit

Formal dress

 Saygo:

Fancy Dress

Pretty dress

 Saygo:

Fancy Dress

Pretty dress

Snack bar 

(though I suppose it was meant to be sneak attack and not snack, so a typo... but oh well)

Snack attack means a sudden attack of the munchies, wanting to eat something snack-ish right now.

bar sinister