Oh, boy! Playful, rubbery tone. Yep, it sounds like "oh, boy!" to me. Free ringtone (Creative Commons) mp3 m4r ogg
Hmm (second alternative) This actually sounds interesting now that I think about it. Free ringtone (Creative Commons) mp3 m4r ogg
Man heartily laughing Hahahaha hohohoho, that must have been a funny funny joke! Free ringtone (Creative Commons) mp3 m4r ogg
Break forth This sound seems pretty visual but it's still difficult to describe. Free ringtone (Creative Commons) mp3 m4r ogg
Wee tziu Onomatopoeias are notoriously hard to describe. Free ringtone (Creative Commons) mp3 m4r ogg