This is almost always a big pair who isn't folding. Goot? (note, it's a shorty)

Full Tilt Poker
Pot Limit Omaha Ring game
Blinds: $0.05/$0.10
6 players
Converter

Stack sizes:
UTG: $4.20
Hero: $12
CO: $4
Button: $5.10
SB: $9.90
BB: $4.10

Pre-flop: (6 players) Hero is UTG+1 with 7 J T Q
UTG raises to $0.45, Hero calls, CO calls, 2 folds, BB calls.

Flop: 2 4 T ($1.85, 4 players)
BB checks, UTG bets $1.85, Hero raises to $3.7,