There are a plethora of synonyms for the term "happy pirate" that describe someone with a cheerful and merry disposition. Some other phrases that may represent the same idea include "jovial buccaneer," "gleeful swashbuckler," "joyous raider," "blissful corsair," "smiling marauder," and "contented privateer." Each of these phrases conveys a sense of joy and merriment that would befit any pirate who is in good spirits while they are out at sea or enjoying the spoils of their raids. Whether it's a friendly pirate with a smile on their face or a more ruthless pirate who is happy with their plunder, there is no shortage of synonyms to describe their happy demeanor.