When using emotes that feature somekind of prop or light effect there's a small chance they remain in the world.
Some one left their studio behind: https://steamuserimages-a.akamaihd....955/234FEB2D75C588C71D6A693FF705CE7F3FCE9E1D/
The light of rainbow dosh: https://steamuserimages-a.akamaihd....237/B2D08F322EBE8D1BF0D3602433CDAFB2E375061C/
Quadruple BASE: https://steamuserimages-a.akamaihd....452/5CE2BF34F2D13EA02FEB44E75135AE5F16521023/
Some one left their studio behind: https://steamuserimages-a.akamaihd....955/234FEB2D75C588C71D6A693FF705CE7F3FCE9E1D/
The light of rainbow dosh: https://steamuserimages-a.akamaihd....237/B2D08F322EBE8D1BF0D3602433CDAFB2E375061C/
Quadruple BASE: https://steamuserimages-a.akamaihd....452/5CE2BF34F2D13EA02FEB44E75135AE5F16521023/