1. Of a person, to force to be in a small or confining space. A noun can be used between "box" and "up" or after "up." Now that Jenny is off at college, can I move into her bedroom? I'm sick of being boxed up in my tiny room. I always take the stairs because I hate boxing myself up in an elevator.
2. To pack objects into a box. A noun can be used between "box" and "up" or after "up." I am in the process of boxing up my entire house for a cross-country move. Please be careful when you box those dishes up.
1. mod. alcohol or drug intoxicated. I am way boxed, and I feel sick.
2. mod. in jail. Pat was boxed up for two days till we got bond money.