(verb) to renege on plans, often without telling others involved in
the plan. Similar to standing someone up, but not usually used romantically or in a
dating situation.
>Lynn, Julie and I went to Tapa's last night; we had a great time
>>Wasn'
t Lisa supposed to meet you out too?
>
Yea, she never showed up! She didn'
t call or anything; she totally japped.
-OR-
>Mom, you said you would come in to help me today. I can'
t believe you are japping on me AGAIN!