If you're happy and you know it, clap your hands (clap clap)
If you're happy and you know it, clap your hands (clap clap)
If you're happy and you know it, then your face will surely show it
If you're happy and you know it, clap your hands. (clap clap)

If you're happy and you know it, stomp your feet (stomp stomp)
If you're happy and you know it, stomp your feet (stomp stomp)
If you're happy and you know it, then your face will surely show it
If you're happy and you know it, stomp your feet. (stomp stomp)

If you're happy and you know it, shout "Hurray!" (hoo-ray!)
If you're happy and you know it, shout "Hurray!" (hoo-ray!)
If you're happy and you know it, then your face will surely show it
If you're happy and you know it, shout "Hurray!" (hoo-ray!)

If you're happy and you know it, do all three (clap-clap, stomp-stomp, hoo-ray!)
If you're happy and you know it, do all three (clap-clap, stomp-stomp, hoo-ray!)
If you're happy and you know it, then your face will surely show it
If you're happy and you know it, do all three. (clap-clap, stomp-stomp, hoo-ray!)

See also:
JustSomeLyrics
108
108.62
Evanescence Evanescence - Snow White Quee Lyrics
Ben Steneker Lonely River Rhine Lyrics