rumple somebody's hair
1mess up — verb 1. make a mess of, destroy or ruin (Freq. 1) I botched the dinner and we had to eat out the pianist screwed up the difficult passage in the second movement • Syn: ↑botch, ↑bodge, ↑bumble, ↑fumble, ↑ …
2dishevel — verb disarrange or rumple; dishevel The strong wind tousled my hair • Syn: ↑tousle, ↑tangle • Derivationally related forms: ↑tangle (for: ↑tangle) …