splæsa

Etymology
From, from and.

The meaning of paying for someone else comes from taking the other person's receipt and "splicing" it to yours.

Verb

 * 1) to splice to join cables together
 * 2)  to pay for someone else, to treat
 * 3)   to pay for someone else, to treat
 * 4)   to splurge on something, to purchase something relatively expensive
 * 1)   to splurge on something, to purchase something relatively expensive
 * 1)   to splurge on something, to purchase something relatively expensive