Pig Latin is a constructed language game in which words in English are altered according to a simple set of rules. Pig Latin takes the first consonant (or consonant cluster) of an English word, moves it to the end of the word and suffixes an ay (IPA [eɪ]) (for example, pig yields igpay, banana yields ananabay, and trash yields ashtray or rashtay (dependent on location/preferences)).
The objective is to conceal the meaning of the words from others not familiar with the rules. The reference to Latin is a deliberate misnomer, as it is simply a form of jargon, used only for its English connotations...