蹭

to rub against / to walk slowly / (coll.) to freeload

surname Zeng

once / already / ever (in the past) / former / previously / (past tense marker used before verb or clause)

great- (grandfather, grandchild etc)

excessive

foot / to be sufficient / ample

to rub lightly / to move slowly / to dawdle / to dillydally / to pester / to nag

to dillydally / slow-going

to freeload for food

to cadge a meal

(coll.) (often derog.) to piggyback on (sb's) popularity / to exploit (sb's) popularity to attract attention to oneself

(coll.) to use sb else's Internet connection (with or without permission)

(coll.) to sit in on a class

to have bad luck / dammit!

(coll.) to ride in sb else's car to save money / to ride on a train or bus without buying a ticket (fare-dodging)

to scrape one's car against sth / to sideswipe