To attack; to fall foul of. A Gallicism. “Se laisser aller à …”—i.e. to go without restraint.
“Thou knowest my old ward; here I [Falstaff] lay, and thus I bore my point. Four rogues in buckram let drive at me… These four came all a-front, and mainly thrust at me.”—Shakespeare: 1 Henry IV., ii. 4.