Taken from a post on the livejournal community IMVUverse.
Some are normal actions you can use by clicking on the pop-up menu, but with slightly different animations.
At least that's what it said in the journal entry.
http://community.livejournal.com/imvuverse/15491.html?view=106115#t106115*use 2107 - peace
*use 2044 - cry
*use 2046 - kiss air
Moves
*use 2050 - awoooo
*use 2051 - oooooooo
*use 2052 - growl
*use 2084 - angry roar
*use 2053 - sick noise
*use 2054 - wimper
*use 2055 - smile - guitar noise
*use 2056 - smile & raise both eyebrows (bird song) >>
*use 2057 - burp
*use 2058 - blow raspberry (small)
*use 2059 - blow raspberry (big)
*use 2060 - "gun to head" hand gesture
*use 2061 - raise eyebrow
*use 2062 - I don't know (squeek)
*use 2063 - I don't know (voice)
*use 2064 - Yeaaaaa - cheer (arms up)
*use 2065 - wry smile
*use 2066 - Loser hand sign
*use 2067 - jump in surprise
*use 2068 - groove to music
*use 2069 - Hi-ya
*use 2070 - sad/shock (wanker)
*use 2071 - breakdance
*use 2072 - flip
*use 2073 - air guitar (music)
*use 2074 - no way (hand stop)
*use 2075 - yawn
*use 2076 - burp
*use 2077 - OMG / head spin
*use 2078 - crazy
*use 2080 - clap
*use 2081 - Oriental bow
*use 2082 - yawn / tired
*use 2083 - lol
*use 2084 - angry roar
*use 2085 - stand and open arms
*use 2086 - arm muscle flex /Hercules!
*use 2087 - smile
*use 2088 - yes!/score!!
*use 2089 - head flip
*use 2090 - wink2
*use 2091 - shake head
*use 2092 - nod head
*use 2093 - thumb up
*use 2094 - thumbs down
*use 2095 - sleep
*use 2096 - collapse sleep
*use 2097 - hmmm
Kisses and flirts!
*use 2043 - flutter lashes
*use 2046 - kiss air
*use 2047 - blow kiss
*use 2048 - kiss and roll head