D'Vauntes Smith-Rivera also scored 15 for the Hoyas (8-3), who scored 24 consecutive points in the first half while holding FIU without a point for over 10 minutes. Off since Dec. 21 when they lost 86-64 at No. 18 Kansas, Georgetown led 50-14 at halftime, by 39 in the second half and overall shot 60.7 percent from the field.
Smith-Rivera, the Hoyas leading scorer, came off the bench for the first time this season after arriving late for a practice this week.
Dennis Mavin scored 16 points for the Panthers (8-6). FIU started 1 of 13 from the field and committed 13 turnovers in the first half.
Georgetown made 12 of its initial 15 field goal attempts and shot 65.5 percent in the first half en route to scoring its most points this season.
The Hoyas have won 49 straight non-conference home games at Verizon Center including six this season.
FIU, which has lost two straight and four of six, committed seven turnovers within the opening six minutes. The Hoyas scored 58 points in the paint and 26 on FIU's 18 turnovers.
Georgetown initiated defensive pressure in the backcourt, causing the Panthers issues with simply crossing half court. Leading 6-4, Jabril Trawick's layup started the 24-0 spurt. Reggie Cameron's 3-pointer put Georgetown up 30-4 with 8:04 remaining in the first half.
Frink's layup with 7:01 left ended the scoreless drought and a streak of 12 straight missed shots by the Panthers. FIU shot 25 percent (5 of 20) in the first half.
Lubick made 7 of 9 field goal attempts and Georgetown's starting five finished 22 of 31.
Georgetown leads the all-time series 4-0.
The Hoyas open conference in the retooled Big East on Dec. 31 against DePaul. FIU remains out of conference plays at Florida A&M on Jan. 2.