[Triumph]

Yay legal debates.

Intrinsically speaking, yes, it can possibly be defined as cheating, as the first definition describes. The full definition of cheating is as follows:

Main Entry: cheat
Pronunciation: ˈchēt
Function: verb
Etymology: cheat
Date: 1590

transitive verb
1 : to deprive of something valuable by the use of deceit or fraud
2 : to influence or lead by deceit, trick, or artifice
3 : to elude or thwart by or as if by outwitting <cheat death>
intransitive verb
1 a : to practice fraud or trickery b : to violate rules dishonestly <cheat at cards> <cheating on a test>
2 : to be sexually unfaithful—usually used with on <was cheating on his wife>
3 : to position oneself defensively near a particular area in anticipation of a play in that area <the shortstop was cheating toward second base>
— cheat·er noun

However, when one thinks of cheating, the word cheat has an intrinsic nature—it is commonly associated in MMORPG's, for instance, as a method in which to either/or gain resources in-game, or "hacking" into the game in order to perform actions others cannot. It can be argued, yes, that in this instance, cheating functions adequately in describing a chargeback.