To pull clothing up - for the purpose of either covering up or revealing something.
1) She hiked up her skirt so I could see her panties.
2) She hiked up her strapless top so her boobs wouldn't pop out.
getting mugged randomly in the street, getting jumped.
This word happened because I, stupidly, wanted to tell my friends that if we went through a certain road we would get jumped, but instead of saying jumped i said "hiked" which at the moment i thought meant jumped but..i was wrong. we use that word to reffer to jumped ever since
"I got hiked by the weird man who sits on the sidewalk every day.