Aye or Nay?

Aye.

Singing Macarena song loudly?

nay

singing lullaby?

Lullabies ,Aye- singing, Nay.

Complete steps of Spanish Macarena dance?

nay........... not for 17 years or so

public service ?

aye

doing laundry?

Aye.

Gate crashing?

aye

gardening?

aye

swimming?

aye

Number crunching?

Nay.

Gobble up ones dinner?

nay

eating vegetables?

aye

Sushi with a bit of Saki?

Aye! Though I can take the Saki on its own!

Stealth fighters?

To operate? Aye, would give it a go.

Book-keeping?

nay

playing Tetris ?