In other words mollasas trousers which could mean:
1.your pants are extremly sticky
2.your pants are sweet(awesome)
3.it is also an exlamation replacing phrases like tartar sauce
1. Gretta get yourself and your trekal trousers away from me.
2. Hey, Wes you have trekal trousers!
3. Aw, trekal trousers this sucks!!