Terenure College got a taste of how hard life can be in the top flight as UL Bohemians ran seven tries past them at Thomond Park.
Winger Martin McPhail, full-back Mark Butler and number eight James O'Neill all scored two tries apiece as Bohs shot to the top of the Division One table.
McPhail, O'Neill and Butler all touched down in the opening half-hour for a 17-3 interval lead.
Bohs lost their Australian out-half Ben Martin to the sin-bin but he came back on to grab their other try. Leinster 'A' lock Alex Dunlop scored 'Nure's only try.
Scorers: UL Bohs: Tries: Martin McPhail 2, Mark Butler 2, James O’Neill 2, Ben Martin; Cons: Tom Luke, Martin 3.
Terenure: Try: Alex Dunlop; Pen: Brian Flanagan.