Strangers with Candy (1999)

Jerri and class hunk Laird are having a fling, but he is insistent on keeping it a secret. So Jerri finds herself forced to hide out in odd places like Laird's locker, the trunk of his car, a trash can, etc., so they can continue their secret rendezvous. Meanwhile, Jerri's stepmother experiences relationship troubles with Stew, prompting an unusual bonding moment between stepmother and stepdaughter.