Top definition
when you go to bed with wet hair and wake up the next morning with an intense headache.
Shelby: I have such a bad headache! I have no idea what caused it..
Elly: Did you wash your hair last night and then go straight to bed?
Shelby: Yeah, damn I need to remember to blow dry so I don't get a wetache
by struthmate December 16, 2013
Get the mug
Get a wetache mug for your mama Sarah.