None of the other tabs seemed correct, so here's what I think Tik Tok sounds like.

Tuning is in drop D.

refriain & intro
E/-----5---------------------II
B/-3-3---3-----3-5-5-6--6-6-oII
G/---------------------------II
D/---------------------------II
A/--------------------------oII
D/---------------------------II

Chorus
E/--------------------------10--II
B/-----------------3-----------oII
G/-----2-----------------/7-----II
D/-0-0---0-----0-0---0----------II
A/-----0-----------------------oII
D/-0-0---0-----0-0---0----------II