'Spades' is not a Gaelic word.
its a card in a card deck
Return in Spades usually has 2 meanings that are similar. first Spades is a suit in the card deck and Spades are the Highest ranked suit. return in spades means the return is higher than what is put out or invested. you invest $200.00 but the return is in Spades $2000.00! however 'return in spades' usually means revenge. someone will return or pay back in spades to someone for something they did to them. let's say you sucker punch me in the face. i pay you back in spades by blasting you back in the face with a baseball bat. spades means you trump something or 'one up it' spades are always something 'higher.'
Ace of Spades is the Death Card. Spades usually mean sometype of misfortune whening considering them tarot cards.
hearts, spades, clubs and diamonds
Depending on what you are doing and your superstitious beliefs it may mean anything.
"Ace" is the social term for an asexual (as I am). Being the ace of spades may or may not mean anything other than a preference of suits in the cards. I have an "Ace of Spades" t shirt for representing my asexuality and it doesn't mean I'm superior to other aces, just a phrase
red stars death and barf bags
There are three spades on the standard ace of spades. One in each corner and a large one in the middle.
In a pack of cards their are 4 suits, Hearts, Diamonds, Clubs and Spades. Each suit has cards numbered 2 to 10 in it and an ace, jack, queen and king. The 8 of spades is therefore the number 8 card from the spade suit.
The "ace of spades" with a Q in it refers to the interracial dating scene. It denotes a caucasian woman that is interested in black men for sexual liasons.
Reverse of Queen of Spades tattoo. Generally a male who prefers Black women. Was told this by a Black female swinger who dates mostly white guys.