It can be applied to most situations.
Synonyms: Awesome, Fantastic, wicked, fabulous, gorgeous.
P2) Cheese on toast. Its was fukkin LUSH!
P1) Did you see that bloke Dai Jones brought to the pub last night?
P2) I work with him. He's fukkin lush!
P1) Have you seen my new shoes?
P2) Oooohhh, They're lush!
*) I bought a lush dress yesterday.
*) I Had a lush dinner Sunday
*) Have you seen how lush Sarah's baby is?