Possible Duplicate:
What are these forms: かけちゃお, つないじゃお?
Is this って equivalent to 「と」?
From the Ponyo theme song:
ペータペタ ピョーンピョン
足っていいな かけちゃお!
Why is 足 given the て conjugation, as if it's a verb? I usually only see that for 足る, which has nothing to do with feet. What's going on here grammatically?