An occurance that happens to mainly older,obese or big titted people,usually when jumping,running or even when just moving and shifting their own weight.
"Jesus,check out the TITSWING on that fucken mammoth,or,"omg did you just see that poor biatch's titswing?" that almost ripped her fucken chest off"!!
by travesty44 November 15, 2009
As young "Sak" peeked through the window he seen a young naked man by the name of "Tesla" and began to Titswe.
by Sexy Baish January 07, 2010