You can have a shoegasm, chocogasm, hottiegasm, hippiegasm, musigasm, artgasm.
Whatever makes you "cream your jeans", persay. Just shorten the word up and stick gasm on the end and you can use it as a noun.
I was walking through the department store, when I ran across this HUGE clearance sale... I almost had a sale-gasm.
A suffix that, when added to any word, describes the sound one makes in association with a strong feeling of comfort, pleasure, or relief.
Chair-gasm : The feeling that one gets when the leather recliner is kicked back and the back massager is on.
Yawn-gasm : The sound that one makes after a particularly satisfying yawn.