resbalarse
rehs-bah-lahr-seh

to slip

1.  No me di cuenta de que el piso estaba mojado y me resbalé.

I didn't realize that the floor was wet, and I slipped.

2.  Me resbalé en el baño y me lastimé.

I slipped in the bathroom and hurt myself.

I like the last bit...that's what you fall on