tmmbsl is used
in instant messaging programs and emails etc. as an acronym
That made me big smile lol.
It is quite a complex "internet-speak" word because
it incorporates an already used acronym
within as well as using that nested acronym
to just express humour rather than its literal meaning.
It is used when
a situation is more humourous than to use tmms (that made me smile) but less humourous than lqtm (laughing quietly to myself).
alongside an emoticon of a smile with
that is part of the new wave of internet acronyms
that are more truthful than current ones such as; lol, lmao and rofl.
Dave: ...Then the guy fell off the toilet and onto
he was just trying to clean up!
Roy: tmmbsl! :D
Dave: Yeah it is damn funny